• UPGRADED BUCKLE STRAP: keep backpack rain cover in position, Prevent backpack cover from sliding off. FOR 30-40L BACKPACK: Length(9.8"-13.7"), Width(5.9-9.8"), Height(18.1-21.6")
• HIGH-LEVEL WATERPROOF: Our backpack cover is made of 210t TAFFETA mixed material features wear-resisting and durable, support 10000 mm water pressure.
• 4-LAYER CONSTRUCTION: External fabric of backpack cover is rip-resistant that protecting backpack from scratch, dirt, sand and internal is double waterproof coated layers that keeping off water, rain, fog and snow.
• COMPACT: Each backpack rain cover comes with a pouch that easily to storage and not take much place
• VIP CUSTOMER SERVICE: FREE exchange size when backpack rain cover not match without RETURNING, FREE exchange when backpack cover get ripped