Size：13.4×5.1×8.7inches. BPA-free & Phthalate-free Best for children aged 2 to 6 years. Dual adjustable comfy straps in air max back material, perfect for preschool, and travel. WATERPROOF ENVIRONMENTAL NEOPRENE-This kids backpack is made of environmental durable neoprene (SBR material) which is soft. Place up in the wash and air dry to clean.