This drawstring backpack is made of 300D polyester and measures 13" x 16.5". It features a two color design with a black adjustable drawstring closure. These come in a choice of colors with a heathered design and provide a great canvas to add your custom logo. Enjoy year round promotions with a versatile bag that is great for sports, school, day trips, groceries, clothing & more. Complies with Prop 65.