Features: High density oxford fabric with strong waterproofing and compression resistance.The fabric is scratch-resistant and breathable.With elastic design, it is able to adjust the size according to different backpacks, easy to fit all kinds of bags.Can be free folded in the sachet, it is portable convenient and ultra-light weight.Suitable for camping, hiking, mountaineering to enjoy outdoor life. ADJUSTABLE BUCKLE STRAP Adjustable buckle strap keep backpack cover in position, no more sliding off. BACKPACK RAIN COVER Specifications: Item Type: Backpack Rain Cover Main Material: Oxford fabric Size: 20-55L Color: Fluorescence-green Package List: 1 * Backpack Rain Cover CAPACITY - 20L-55L are available, elastic material around the edge of the cover, it is able to adjust the size according to different backpacks. ELASTIC ATTACHES - The elastic attaches firmly on your backpack , never worry about your backpack cover blowing away in strong winds or being pushed off by shoulder straps. EASY TO USE AND STORAGE - This backpack cover is quick to put on and take off. MULTIPURPOSE USE - Perfect for school bag, backpack, daypack, knapsack, overnight bag for outdoor travel, riding, climbing, hiking, cycling, commuting and so on. REFLECTIVE Reflective strip attached to reduce the occurrence of traffic accidents and ensure the safety of outdoor activities. DETAILS MATERIAL Made of oxford fabric features WEAR-RESISTING and DURABLE, protecting backpack from scratch, dirt, sand. WATERPROOF The cover offers a reliable protection of rain resistance, even in downpours can also protect your backpack. CARRYING POUCH WITH CARABINER Also each backpack cover comes with a carrying pouch with carabiner, when folded in its carrying pouch, the rain cover is compact, lightweight and does not take much space.