We've taken our best selling Backpack Rain Cover and made it lighter. Made from 260T mini Ripstop Nylon with a 2 layer waterproof coating and taped seams. With its elastic draw cord in the hem and cordlock it will adjust to almost any pack size. Integrated stuff sack means stowing after use is quick and hassle free. Dimensions: 33" x 17" x 10" Wt: 3.5 oz.