Description This item is a practical pack cover, which is made of high-density nylon. It is waterproof and wear-resisting makes it suitable for outdoor use and specially reinforced, keep your backpack and belongings dry from rain, mud and dust.With elastic design, it is able to adjust the size according to different backpacks.Can be free folded in the sachet, it is portable convenient and ultra-light weight.Perfect for outdoor, travel, riding, climbing.