Trolley Wheel Material :natural rubber Rim:plactic bearing:roll trolley wheelPneumatic Rubber WheelMaterial :natural rubber Rim:plactic bearing:rollrubber wheelWHEEL ... terms.3). Quality: according to your requirement.4). Using: wheel barrow,hand trolley, tool cart,wagon,dustbin,equipment,rubber wheellawnmover ,machine ect5 ... and excellent export teams, we are always at your service. trolley wheel