Name: backpack rain cover

Color: black, green, blue, red and so on.

Size:
Aliexpress choice : 20L True capacity : (15-25L) Weight: 32g
Aliexpress choice : 30-40L True capacity : (30-40L) Weight: 39g
Aliexpress choice : OtherTrue capacity : (40-50L) Weight: 46g
Aliexpress choice : 50-70L True capacity : (55-65L) Weight: 58g

Package:
1 Backpack rain cover

Super Waterproof: Don't let a drop of water in.Waterproof wear-resisting Nylon material can make it. It can resist water of 2000mpa hydraulic pressure rate .