Specification Item Name:backpack Material:nylon Size:Width above:17cm Width below:18cm Height:23cm Length：9cm Length of shoulder strap:77cm Color:black butterflies,dairy cow,zebra,leopard,colorful butterflies Package includes:1*backpack Warm Tips: 1. We provide you with the best product and service.s If you have any problem, please let us know, and we will solve the problem ASAP. Thank you so much. 2. Due to the difference in display of monitors and lighting, the actual colours may turn out slightly different from product pictures. 3. Please allow a small margin of error in the size dimensions mentioned as these have been measured manually. 4. 1cm=0.39 inch.