product information:Product Name: Large Capacity Travel BackpackMaterial: Oxford cloth fabricFunction: Outdoor / Leisure / Travel / SchoolLining: polyestersize: 40L Length 32cm Width 20cm Height 55cm50L Length 33cm Width 21cm Height 57cmShoulder straps: adjustableScratch resistant oxford fabricTravel without scratches, can resist strong impact, the body is lighter, tough and wear-resistant, easy to deal with travel challengesWaterproof and not easy to get wetCustomized quality fabrics, more wear-resistant texture, waterproof is not a problem, effectively protect personal belongingsHidden shoulder strapsHidden shoulder strap can be used as a handbag, a shoulder bag, a multi-purpose bagMultifunctional back method:Portable, one shoulder, crossbody, double shoulderTravel mode, switch at will, make the journey more practical