Waterproof Backpack Bag with External USB Port

Description

Features:
Waterproof and wear-resisting fabric, strong and practical for outdoor use.
Essential tools when you have a picnic, potluck, outdoor activities etc.
Large capacity and strong bearing force, suitable for both bring a daily lunch and picnic.
Inner PEVA film to keep both warm and cold.
Leakproof design, don't worry about spilled food getting your car dirty.
Double-open zipper, easy and convenient to use.
With 2 side bags to put tissues.

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Specifications:
Color: black, grey, navy blue (optional)
Material: oxford cloth+PEVA
Capacity: 18L
Item size: 420 * 290 * 190mm / 16.5 * 11.4 * 7.5in
Package size: 450 * 300 * 100mm / 17.7 * 11.8 * 3.9in
Package weight: 540g / 1.2lb