Features: 3D Three-dimensional Honeycomb Design: Say goodbye to the stuffy heat breathe as much as you can. Multi Compartment Design: stationery boxes rulers textbooks exercise books water glasses umbrellas are all equipped with large U-shaped openings which makes it easier to access school supplies. High quality material: The lightweight backpack is made of durable nylon which is waterproof and easy to clean. Comfortable and healthy: The shoulder strap is made of 3D breathable mesh to protect the shoulder and dissipate heat quickly. Shoulder straps compress the back. After-service: If you have any questions after receiving the product please feel free to contact us and we will provide you with a satisfactory answer. Specification: Material: Oxford cloth Capacity: 20-35L Size: About 33*27*13cm/12.9*10.6*5.11 inch includes: 1 * cartoon toddler backpack "