1,PP main material; 2,steel tube with PVC handle; 3,non-slip grip. SLID WHEEL 1,PP main material; 2,steel tube with PVC handle; 3,non-slip grip.SLID WHEEL 1,PP main material; 2,steel tube with PVC handle; 3,non-slip grip.Durable PVC wheel with hand grips (foam or not)double wheels COLOR BOX 53*46*29CM 20PCS/CN 17.5/17KGS AB wheel