sling backpack 1,size:46x36x15cm 2,material:600d polyester 3,OEM:customized artwork and logo imprint . 4,market:US&EUROPE 600d polyester triangle sling ... backpack,kids sling backpacks,casual sling backpackitem:AC0336-1Features:shoulder strap with wide zip ... to clients' size, material, color logo and so on. 600D polyester sling backpack