Backpacks >>
HKM-0599891 Waterproof Reflective Laptop Backpack with USB Charging Port, Padded Laptop Sleeve and Box Opening, Gray 2026 Model
HKM-0599891
Waterproof Reflective Laptop Backpack
The HKM-0599891 is a high-capacity laptop backpack in a heather gray shell with a black accent strip, built for commuters who want a laptop kept dry and a bag that stays visible after dark. A box-style opening folds the whole front down so the interior lays flat, a padded laptop sleeve and a hook-and-loop strap hold a computer in place, and an external USB port lets a phone charge from a power bank inside. Slip pockets, a zipped inner pocket and two side pockets sort the small items, while a breathable back panel and padded straps carry the load. Reflective detailing on the shell and the straps keeps the bag visible in low light.
Key Features
Six details that define how the HKM-0599891 carries and protects a day.
Waterproof Shell
A coated fabric face sheds rain and splashes, so a laptop, papers and a phone stay dry on a wet commute. The surface wipes clean with a damp cloth when the walk is over.
USB Charging Port
An external USB port on the side of the shell connects to a power bank kept inside, so a phone charges while the bag stays closed and nothing is left trailing through an open zip.
Reflective Detail
Reflective elements on the front and the shoulder straps return light from headlights and lamps, which keeps the bag easier to see on a dark road or a dim sidewalk after work.
Padded Laptop Sleeve
A padded sleeve against the back panel holds a laptop apart from the rest of the load, and a hook-and-loop strap crosses the sleeve to keep the device from shifting in transit.
Box-Style Opening
The front of the bag folds down on three sides, so the interior lays flat for packing and a laptop slides in or out without digging through the top of a full bag.
Organized Pockets
Slip pockets, a zipped inner pocket and two side pockets give fixed spots to a charger, a notebook, a bottle and the small items that usually end up loose.
Overview
How the bag is put together and what it holds.
The HKM-0599891 is built around a box-style opening that folds the front down on three sides, so the interior lays flat and a laptop slides in against the padded back sleeve instead of being pushed through a narrow top. A hook-and-loop strap crosses the sleeve to hold the device in place, and a set of slip pockets, a zipped inner pocket and two side pockets keep a charger, a notebook and a bottle in fixed spots. On the outside, a coated fabric shell sheds rain and splashes and wipes clean, an external USB port lets a phone charge from a power bank inside, and reflective detailing on the shell and straps keeps the bag visible in low light. A breathable back panel and padded straps carry the load through a full day.
A Shell That Sheds Rain
The coated face keeps the weather on the outside.
The coated fabric face sheds drizzle and spray, so a laptop and papers stay dry through a wet walk to the office or a platform wait in the rain. The shell runs in a heather gray weave with a black accent strip down the front, and the coated surface wipes clean with a damp cloth at the end of the day, so the bag still looks tidy after a week of wet pavements.
Full Specifications
What the shell, the compartments and the carry system are made of.
Zips, Straps and Shell
How the opening, the straps and the shell work together.
HKM-0599891 is a soft-shell pack with no frame and no powered parts. The box-style opening runs a zip around three sides, so the front folds down and the interior lays flat for packing. Inside, a padded sleeve sits against the back panel and a hook-and-loop strap crosses it to hold a laptop steady, with slip pockets and a zipped pocket around it for a charger and small items. The padded shoulder straps adjust through sliding buckles, the breathable back panel keeps the carry steady between the shoulders, and an external USB port on the side connects to a power bank kept inside.
What’s in the Box
Everything needed to start carrying, right out of the box.
1 x Laptop Backpack
The pack in heather gray with both shoulder straps and the top handle fitted
1 x Padded Laptop Sleeve
Built against the back panel, with a hook-and-loop hold-down strap
1 x USB Charging Port
Fitted to the side of the shell, with the inner connection in place
1 x Front Zip Pocket
The vertical zip pocket on the front face, with a pull fitted
1 x Side Pocket Pair
Two side pockets sized for a bottle
1 x Manual and Warranty Card
Care and usage guidance sheets
Why Choose the HKM-0599891
Six reasons this pack suits a commute, a campus day and a short trip.
A Laptop Kept Dry
The coated shell sheds rain and splashes, and a padded sleeve holds a laptop apart from the rest of the load, so a wet walk does not put the device at risk.
Charge Without Opening Up
An external USB port connects to a power bank inside, so a phone tops up on the move and the bag stays closed.
Visible After Dark
Reflective detail on the shell and the straps returns light from headlights and lamps, which keeps the bag easier to see on a dark commute home.
A Box That Opens Flat
The three-sided opening folds the front down so the interior lays flat, which makes packing a full day and pulling out a laptop quick and tidy.
A Place for Everything
Slip pockets, a zipped inner pocket and two side pockets give fixed spots to a charger, a notebook and a bottle, so nothing sinks to the bottom.
Comfortable With a Full Load
A breathable back panel and padded, adjustable straps spread the weight, so a packed bag stays manageable through a long day.
Frequently Asked Questions
Quick answers about the HKM-0599891 waterproof laptop backpack.
Is the backpack waterproof?
The shell is water-resistant and sheds rain and splashes, so a laptop and papers stay dry on a wet commute. The fabric and the zips are built to keep everyday rain out; it is not meant for full submersion, so a downpour that soaks the whole bag through should still be avoided.
How does the USB port work?
An external USB port sits on the side of the shell and connects to a power bank kept inside the bag. Plug a phone into the outside port and it charges while you walk, without opening the main compartment or leaving a cable through an open zip. The power bank is not included, so use any standard one you already own.
What size laptop does it fit?
The padded sleeve against the back panel holds a standard laptop and keeps it apart from the rest of the load, and a hook-and-loop strap crosses the sleeve to stop the device shifting. Because the front folds down on three sides, a laptop slides in from the front rather than being pushed through a narrow top.
How does the opening work?
A zip runs around three sides of the front, so the panel folds down and the interior lays flat. That makes packing and unpacking quick, and it means a full bag can be opened without digging down from the top. Close the zip by running it around the three sides in one pass.
What can I carry in it?
A laptop in the padded sleeve, a charger and a notebook in the slip pockets, a bottle in a side pocket, and small items such as keys or a card in the zipped inner pocket. The main body takes a full day of work gear or a change of clothes for a short trip.
How do I keep it clean?
Wipe the shell with a damp cloth and let it air dry fully open before storing it. Keep the zip tracks free of grit so they run smoothly, and avoid packing a soaked item against the lining for a long stretch, which traps damp inside the bag.
Quick Troubleshooting
Simple fixes for the most common questions about the HKM-0599891.
The USB port is not charging my phone
Confirm the power bank inside the bag is switched on and connected to the inner port, then test the outside port with another cable. Some power banks shut off when the current draw is low, so try a higher-output bank if charging stays intermittent.
The bag feels heavy on one shoulder
Shift the load onto both straps and tighten them so the bag sits close to the back rather than hanging low. Fasten the straps evenly, and use the top handle only for lifting the bag, not for carrying it over distance.
Water got inside during a downpour
The shell is water-resistant, not fully waterproof, so a long downpour can push water through the zips. Empty the bag, wipe the inside with a dry cloth and let it air out fully open. Keep a laptop in the padded sleeve, which holds it apart from the lining.
The main zip is stiff or hard to pull
Clear any grit from the zip track with a soft brush, then run the slider around the three sides slowly rather than pulling hard at a corner. Check for a stray thread near the slider and clear it before forcing the zip.
The laptop shifts around inside
Lay the laptop into the padded sleeve and pull the hook-and-loop strap across it so the device sits flat against the back panel. Packing the heavier items against the back as well keeps the load balanced and stops the sleeve from moving.
The front pocket is hard to reach when full
Pack the flat items such as a phone, cards and a notebook in the front pockets first, and move anything bulky to the main body. Opening the front panel flat makes the pocket easier to load, so set the bag down before packing the front.
Service & Policies
Coverage that keeps working long after the order arrives.
Free Shipping on All Orders
Every order ships free. Handling time: 0-1 business days (Monday to Friday). Transit time: 2-5 business days (Monday to Friday). A tracking number is emailed as soon as the parcel leaves our warehouse.
180 Days Purchase Protection
Your purchase is protected for 180 days from the delivery date against manufacturing defects and damage in transit. If something arrives wrong, we make it right.
30 Days Money Back Guarantee
Not completely satisfied? Request a return within 30 days of delivery for a full refund. We keep the process simple and hassle-free.
24 Months Warranty Service
The product is covered by a 24-month warranty from the delivery date against manufacturing defects. Coverage includes parts and labor; normal-wear items are excluded.
Important Safety Notes
Read these notes before loading the HKM-0599891 for the first time.
The HKM-0599891 is a soft laptop backpack with no powered parts. Load the heavier items such as a laptop and books against the back panel so the pack sits close to the spine, set the hook-and-loop strap across the sleeve so the device cannot shift, and pull the shoulder straps tight so the load stays centered. Do not overload the bag or carry a weight that makes the straps dig in, and keep the load within a weight the wearer can carry comfortably without strain. Check that the zip on the main opening is fully closed around all three sides before lifting the bag, so items do not fall out. The external USB port is for charging a low-power device such as a phone from a power bank kept inside; do not exceed the port rating, keep the cable and the port dry when the bag is wet, and do not carry a power bank that shows damage, swelling or heat. Reflective detail improves visibility but does not replace lights or attention, so stay aware of traffic on every low-light walk. Wipe the shell dry after rain and let the bag air out fully open before storing it, so the interior stays free of damp.
HKM-0599891 - laptop backpack in a heather gray coated shell with a black accent strip, a box-style opening that folds down on three sides, a padded laptop sleeve with a hook-and-loop strap, slip pockets and a zipped inner pocket, two side pockets, an external USB charging port, reflective detail on the shell and straps, a breathable padded back panel and padded adjustable shoulder straps. Read the notes above before first use. Nothing here is safety certification advice.
Every product we offer includes a 180-day purchase protection plan at no additional cost. This coverage extends beyond a standard warranty, reflecting our confidence in product quality and our ongoing commitment to your satisfaction.
The protection plan is designed to provide practical help in real-world situations. Whether you encounter a manufacturing issue, a performance problem, or an unexpected accident, our team is ready to assist with clear, fair solutions.
What Is Covered
Manufacturing Defects
We replace items with material or workmanship flaws at no charge.
Performance Failures
Free repair or replacement if the product fails under normal use.
Accidental Damage
One-time courtesy replacement at a reduced price.
Zero Hidden Fees
All shipping costs for replacements and returns are covered.
How to File a Claim
How This Differs from the Warranty
The 180-day purchase protection includes accidental damage and performance failures that are typically not covered by a standard warranty. It provides an additional layer of support during the first six months after purchase, giving you greater confidence and peace of mind.
We want you to be completely satisfied with your purchase. If for any reason you are not fully happy, you may return your item within 30 days of delivery for a full refund. No lengthy forms, no unnecessary questions.
Our return policy is built on a simple principle: if the product is not right for you, we will make it right. We understand that online shopping involves trust, and we work hard to earn that trust with every order.
Return Eligibility
30-Day Window
Request a return within 30 days of delivery.
Original Condition
Unworn or unused, with tags and original packaging.
Proof of Purchase
A receipt or order number is required.
Fast Refund
Refund processed within 10 business days.
How to Start a Return
Returns & Exchanges Overview
Damages & Exchanges
Please inspect your order as soon as it arrives. If the item is defective, damaged, or incorrect, contact us immediately so we can evaluate the issue and make it right. For exchanges, the fastest option is to return the original item and place a new order for the replacement.
We believe in the quality of our products, and we want you to share that confidence. Every product is backed by a 24-month warranty covering all structural and functional components, including zippers, buckles, straps, and fabric integrity.
The warranty is designed to be simple and accessible. You only need your proof of purchase to begin a claim, and our team will assess the issue promptly. If a manufacturing issue arises, we will make it right.
What the Warranty Covers
Comprehensive Coverage
Every part warranted for two full years.
Free Repair or Replacement
Whichever is faster, at no cost to you.
Quick Turnaround
Claims assessed within 1 business day.
Transferable
Warranty follows the product, not the owner.
How to File a Warranty Claim
Every order ships free—no minimums, no hidden fees. We currently deliver across the United States and are actively working to expand to more countries. We partner with reliable U.S. courier services to ensure your order arrives safely and on time.
Our delivery process is designed for transparency. From the moment you place your order to the moment it reaches your door, you receive clear updates at every stage. We carefully inspect each product before dispatch, and we provide tracking information as soon as your order ships.
Our U.S. Shipping Partners
USPS
Official national carrier with nationwide coverage.
UPS
Fast and reliable ground and express shipping.
FedEx
Express delivery with real-time tracking.
DHL eCommerce
Efficient parcel delivery for e-commerce shipments.
Delivery Process
Delivery Time Summary
Cancellations & Taxes
You may cancel your order at any time before it ships. All product prices include applicable taxes, and there are no additional VAT or customs fees for orders delivered within the United States.
Whether you have a question, need help with an order, or just want some advice, our support team is available around the clock. We don't just respond to messages—we work with you to find real solutions that fit your needs.
Our support specialists are trained to handle a wide range of requests, from product recommendations to technical troubleshooting. No matter the question, you can expect a professional and friendly response.
How We Can Help
Product Guidance
Our experts help you choose the right product.
Order Assistance
Modify orders, track shipments, or speed up delivery.
Warranty & Returns
Start claims or returns quickly and easily.
Technical Troubleshooting
Step-by-step solutions for product issues.
Contact Information
24/7 Phone
+1 (209) 280-3200
support@hekomart.com
Address
3401 Dale Rd, Modesto, CA 95356
Support Hours
Available 24 hours a day, 7 days a week
