20L Waterproof Insulated Backpack

Open method Zipper open, Length 25cm/9.84inch, Width: 15cm/5.91inch, Height: 30cm/11.81inch, Shouler Strap Adjustable, Material Cation + Aluminum Film(Waterproof).

Aliexpress

There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price: Open

Image	Product (link)	Price	Coupons
	20L Insulated Backpack Cooler Portable Travel Beach Picnic Bags Waterproof Ice Beer Food Storage Backpack for Men and Women	$15.31	–
	20L Portable Thermal Lunch Bag Durable Thicken Waterproof Cooler Ice Insulated Case Camping Oxford Food Box Dinner Backpacks	$16.16	–
	DENUONISS 20L Thermal Cooler Backpack Multi layered Insulated Backpack Waterproof Leak proof Bag Picnic Outdoor &Bottle Opener	$17.36	–
	20L Thermal Backpack Waterproof Thickened Cooler Bag Men Insulated Bag Picnic Cooler Beer Backpack Refrigerator Bag	$18.81	–
	20L Outdoor Storage Backpack Dry Wet Separation Insulated Backpack Waterproof Collapsible Bag Kayaking Rafting Storage Bag	$19.04	–
	DENUONISS 20L Thermal Cooler Backpack Multi layered Insulated Backpack Waterproof Leak proof Bag Picnic Outdoor &Bottle Opener	$19.42	–
	20L Portable Thermal Lunch Bag Durable Thicken Waterproof Cooler Ice Insulated Case Camping Oxford Food Box Dinner Backpacks	$20.50	–
	20L Outdoor Storage Backpack Dry Wet Separation Insulated Backpack Waterproof Collapsible Bag Kayaking Rafting Storage Bag	$20.65	–
	Portable Thermal Lunch Bag,Food Box,Durable,Waterproof Cooler, Ice Insulated Case, Camping, Oxford Dinner Backpacks, Icebox, 20L	$21.14	–
	Portable Thermal Lunch Bag,Food Box,Durable,Waterproof Cooler,Ice Insulated Case,BBQ,Camping,Oxford Dinner Backpacks,Icebox,20L	$21.27	–
	20L Portable Thermal Lunch Bag Durable Thicken Waterproof Cooler Ice Insulated Case Camping Oxford Food Box Dinner Backpacks	$25.62	–
	20L Outdoor Storage Backpack Dry Wet Separation Insulated Backpack Waterproof Collapsible Bag Kayaking Rafting Storage Bag	$25.89	–
	Insulated Picnic Backpack Waterproof Soft Cooler Bag 20L Oxford Fabric for Hiking Camping Travel Food Cooler Portable Bags	$31.35	–
	20L Portable Thermal Lunch Bag Food Box Durable Waterproof Cooler Ice Insulated Case Camping Oxford Dinner Backpacks Icebox	$49.63	–
	FANDAO Lightweight Ice Backpack Cooler – 20L Insulated Thermal Bag with Aluminum Foil Waterproof Cold Storage for Outdoor/Hiking	$72.74	–
	ROCKBROS 20L Refrigerator Bag Waterproof Thermal Insulated Backpack Soft Large Storage Bag Picnic Cooler Beach Beer Wine Bag	$104.17	–
	20L Camo Color Soft Waterproof Insulated Backpack Cooler Bag with TPU Material and Imported Zipper for Picnic	$156.80	–
	72 Hours Keep Cooler and warm 20L Insulated Cooler Waterproof backpack 5 Layers Insulation Leakproof Soft Cooler bag	$237.27	–
	(Minimum purchase quantity: 100)High Quality Large 20L Picnic Insulated Cooler Bags Camping Cooler Backpack Waterproof Soft Cool	$7103.15	–
	(Minimum purchase quantity: 100)Custom Large 20L TPU Waterproof Food Thermal Bag Insulated Soft Ice Cooler Backpack For Fishing	$7537.41	–
	(Minimum purchase quantity: 100)Custom Large 20L TPU Waterproof Food Thermal Bag Insulated Soft Ice Cooler Backpack For Fishing	$7537.41	–
	(Minimum purchase quantity: 100)72 Hours Keep Cooler And Warm 20L Insulated Cooler Waterproof Backpack 5 Layers Insulation Leakp	$7537.41	–

Click here to search by yourself. Here are coupons that you can use.

Updated: 08-07-2025

Banggood

Warehouse in China.
Link: 20L Waterproof Insulated Backpack
$22.35 with coupon: BGTY704CP
$22.35 with coupon: BG10OFFAFF

Additional Banggood coupons:
1. First page
2. Second page

Price history and price alert

Do you need price history chart (for all/most countries) for 20L Waterproof Insulated Backpack? There we go. The lowest price was: $4.99.
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).
Price Alert