Material:Twill weave + braided belt + net bag Size:10x4x12 inch,suitable for 3-7 year old Structure:The small kids backpack has 1 main compartment,1 front pocket,1 inner compartment and 2 mesh pockets for small water bottle,umbrella and other items,multi compartments are great for kids to organize their items,such as pencil bag, book,snacks,etc. Considerate Design:Our little kids toddlers backpack is equipped with adjustable shoulder straps offer support and comfort,and the front chest strap is equipped with a buckle to prevent the child's shoulder straps from slipping off;there is a whistle on the buckle which the kids can blow it to ask for help in emergency. Multi-function: This is a nice mini size boys girls backpack for children daily life. Small and cute appearance, suitable for 3-7 year old children to organize their personals items, it is also a great backpack for preschool, kindergarten, nursery, weekend, sport, camping and other outdoor activities.