Made of Oxford woven fabric, it has good water resistance, wear-resistant, anti-fouling, anti-splashing and anti-fading properties. The backpack has a hanging sleeve design, which can be put on the suitcase. Large-capacity storage space, can store IPAD, mobile phone, clothing and other items, multiple zipper pockets bottom side pockets can store shoes, basketball. One-shoulder or double-shoulder two-in-one design, which can be easily changed into various carrying methods.