Topoint Waterproof Dustproof Backpack Rain Cover,Fits 55L to 90L Package included ONE rain cover,durable and wear-resisting,made of 210T Fabric Nylon Capacity: Fit for 50L - 90L Backpack. Adjustable drawstring and cord lock closure. Waterproof factor-2000mm, protect your bag in heavy rain, durable , light weight, easy to carry. Dimensions (L x W x H):80*20*50CM.