Made of water repellent, durable, smooth and lightweight polyester for wear long time. Dimensions: 8.3L x 9.8H x 3.5W inch (21 x 25 x 9 cm). Cute mini size suitable for 2'11"- 4'7" (3-6 years old) boys and girls. Adjustable Chest strap more comfortable to wear, suitable for running and protect kids' shoulder. Double and cross stitching is used for easily tearable parts such as shoulder straps to make the product stronger. This is not a school backpack that requires a lot of space. CHOKING hazard-small parts. Not for children under 3 years. Descripton. This kids' backpack is made of water repellent, durable and lightweight polyester for wear long time. Mini size is very cute and situable most boys and girls 3-6 years old. Simple and stylish design. BIGHAS is a world brand from Japan. We will make you happy and smile. Note. 1. The color in this product might fade due to friction or exposure to water. Please be careful when using it in the rain. 2. The small component of backpack may damage clothes, so pls handle with care. 3. Do not pack excessively heavy stuff in it or pack things forcibly. 4. Do not wash to avoid the loss of color, discoloration or shrinkage. 5. When wet with rain, please wipe it with a dry cloth and dry it in the shade.