1Made of 600D oxford material, anti-wrinkle, wear-resistant, waterproof and good elasticity. 2High-quality fabrics with super water-resistant properties, can well protect the bag internal items. 3Leisure zipper design, easy to use, suitable for the bag's own functionality. 4The front bag of the backpack, can accommodate iPad and other items, easy to carry. 5Adjustable shoulder strap design: You can adjust the length of the shoulder strap, distribute weight and provide extra stability.