Lightweight Children Toddler Kids Baby 3D Cartoon Butterfly Backpack School bag Imported Material: Neoprene. Size: 10 x 4 x 13 Inch. Shoulder strap length: approx. 22 Inch. Suitable for Kids Age 2 - 8 years old. Hand wash only. Nice design, high Quality and pefect gift for children. Browse our entire line of backpack for laptop, school, sports, travel on amazon.com.