Pneumatic rubber wheel is a main product which our company can offer you with large quantity. And we supply products of high quality with competitive price according to different customer's different request. The size of the powder rubber wheel which we can offer including 2.50-4, 3.00-4, 3.50-4 3.50-5, 3.50-6, 3.50-7, 3.50-8, 4.00-4, 4.00-6, 4.00-8, 4.50-8, 5.00-6, 6.50-8, 8.50-8. If you are interested in any size of powder rubber wheels, please feel free to contact us!