Our Horse Play Messenger Bag is made of  durable exterior polyester fabric (300 denier).It features an easy clean, water resisitant interior nylon lining. Comfortable Padded adjustable shoulder strap. Two outside pockets. Velcroe closure. Measures 13"x 10"x4" (approximate ages 8+). It comes with a 1 year manufacturer’s guarantee against defects, and has been rigorously tested to ensure that all parts and materials are lead-free, bpa-free, phthalate-free, and conform to all rules and regulations set forth by the Consumer Products Safety Improvement Act.