Material : Polyester Dimensions (L x H) : 12" x 18" Closure : Zip Compartment : 2 1 outer pocket and 1 bottle holder Durable and light weighted An excellent pick up for short weekend trips Crafted from polyester, this backpack is a steal. It accommodates spacious zippered compartments, a water bottle holder and an additional pocket. The durable materials, its made with keep the backpack easy to maintain and light weight. It is also water resistant. Brand Fastrack SKU FA340SP15UESCNAFAMZ-214860 Model A0636NBL01