Outdoor Products Amphibian Backpack, 20-Liter Storage Durable 20-liter daypack with watertight roll-top seal and TPU coated fabric  great for winter sports adventures, rainy city travels, and more Single storage compartment and three additional pockets to carry accessories for any trek or trip Adjustable and articulated padded shoulder straps with a sternum handle for added stability Bottom gear loops for attaching trekking poles, cases, or other containers Measures 9.5 x 23 x 7.5 inches and weighs 1.5 pounds; backed by the Outdoor Products Plain + Simple Lifetime Guarantee