* Waterproof Material: Waterproof Polyester,college high school big student backpack for boys,girls,teens you from hot and sweating.
* Exterior Dimensions: 30cm*13cm*45cm (L * W *H )
* Comfortable airflow back design with thick but soft multi-panel ventilated padding, gives you maximum back support. Breathable and adjustable shoulder straps relieve the stress of shoulder. Foam padded top handle for a long time carry on.