? UPGRADED BUCKLE STRAP: keep backpack cover in position, no more sliding off. FOR 50-70L BACKPACK: Length(11.8-15.7"), Width(7.8-11.8"), Height(25.5-31.4")
? INCREDIBLE DURABLE: Made of 300D Nylon features wear-resisting and durable, support 5000 mm water pressure
? TRIPLE CONSTRUCTION: External fabric 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 cover comes with a velvet pouch that easily to storage and not take much place
? VIP CUSTOMER SERVICE: FREE exchange size if not match without RETURNING, FULL refund if cover slide down without RETURNING