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Flex Waterproof Backpack with USB Charging Interface, 15.6″ Laptop Bag

£19.99 (as of 10/23/2026 06:10 PST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

The Flex Waterproof Backpack is a laptop backpack and school rucksack with space for a 15.6″ laptop. It includes a USB charging interface, multi-compartment storage, padded shoulder straps, a padded back, a carry handle and a suitcase/trolley strap. Power bank not included.

SKU: B0BTTJTTK8 Category:

Quick Summary

The Flex Waterproof Backpack is a laptop backpack and school rucksack with space for a 15.6″ laptop. It is described as suitable for business, school, college and travel use, and it includes a USB charging interface. Power bank not included.

The bag also has a multi-compartment layout with front and outer zip compartments, a padded laptop or tablet pocket, small slip-in pockets, two side pockets, padded shoulder straps, a padded back, a carry handle and a suitcase/trolley strap.

Key Details

DetailVerified information and buyer relevance
Product typeBackpack / laptop backpack / rucksack for school, business and travel use.
Laptop sizeFits a 15.6″ laptop, so this is the key check for device size.
USB charging interfaceIncludes a USB charging interface; power bank is not included.
CompartmentsFront and outer zip compartments, a main compartment, internal slip-in pockets and two side pockets.
Carry featuresPadded shoulder straps, padded back, carry handle and suitcase/trolley strap.

What to Compare Before Buying

  • Laptop size: The stated fit is for a 15.6″ laptop. Check your device size before choosing.
  • Organisation needs: This bag has multiple compartments and pockets, so compare that layout with what you carry each day.
  • Travel use: The suitcase/trolley strap is useful if you plan to carry the bag with luggage.
  • Charging setup: The USB charging interface needs a power bank, which is not included.

What Else You May Need

A power bank is needed if you want to use the USB charging interface.

Before You Decide

Check that your laptop is 15.6″ or smaller, confirm that the compartment layout suits what you carry, and remember that a power bank is needed for the USB charging interface.

Brand

Flex Value

Manufacturer

Baoding Baigou Tianshangxing Bag Leather Goods Co.,LTD

Binding

Apparel

Product Group

Luggage

EAN

5060975060244

Color

Black

Product Dimensions

5.51 x 11.81 x 17.72 inches

Item Weight

1.61 pounds

Size

17"

Number Of Items

1

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