Our Sidekick Backpacks makes school more fun. The durable exterior can stand up to just about anything - even homework. And the roomy interior helps keep school work organized. Matching accessories available in most styles. * Product Material: 600D/300D Polyester * Product Weight: 0.75 lbs. * Extra-durable 600-denier polyester fabric * Padded back for extra comfort * Interior moisture-resistant nylon lining * Adjustable padded straps * Interior utility pockets and pencil holder * Embroidery friendly * Matching accessories available for most patterns * Sized for ages 3+