* Capacity: 45L-65L are available
* Specially reinforced, keep your backpack and belongings dry from rain, mud and dust.
* Made of waterproof wear-resisting Nylon material, durable, portable and useful
* With elastic design, it is able to adjust the size according to different backpacks.
* Perfect for outdoor travel, riding, climbing, hiking and so on
Pros – fits most packs, cheap, light weight, waterproof.
Cons – Quality is low, can rip easily.