● Item No.: SSD37-02-011● FOB price:8.98-10.42USD● MOQ: 1000● Material:nylon or customized● Size:45*31*18 cm or customized● Weight:1.89KG● Colors: Customized● Service: OEM&ODM● Detail:1. The removable trolley is simple and practical.2. Breathable shoulder straps with thickened is shock absorption,meanwhile alleviate pressure on the shoulder,so that make bear more comfortable.3. The length of the high quality metal alloy trolley can be adjusted.4. This backpack has one main pocket,two front pocket and two mesh pocket.