1)600D polyester biycle cheap backpack 2)durable material ,mesh pockets 2 sides,padded backside and straps,earphone plug port Item600D polyester biycle cheap backpack Material:600D polyester,mesh,190T ling, Size:15WX45HX33D(cm) Color:any color availableLogo:screen printing, heat-transfer, embroiderySpecialty:padded backside and straps,mesh side pockets for bottlesplastic buckles ,earphone plug ...