Size: M,L,XL.M fit for 20-30L bags,L fit for 30-40L bags,XL fit for 40-55L bags
External fabric is rip-resistant that protecting backpack from scratch, dirt, sand and keep it from water, rain, fog and snow.
MULTI-FUNCTION: Due to the foldable function of this backpack rain cover, it can be used as a computer screen cover, seat cushion, bicycle rain cushion, electric fan cover and any equipment that needs to be rainproof in rainy days.
Perfect for outdoor travel, riding, climbing, hiking and so on.
Size Chart: M,L,XL
M fit for 20-30L bags
L fit for 30-40L bags
XL fit for 40-55L bags
1 x Disposable Bike Bag Rain Cover
Backpack Cover Hmj Outdoor Disposable Large Bike Bag Cycling Backpack Mountain Waterproof Cover -B0828DWWN9