... bear 3.Envromental and durable 4.High quality 5.OEM service 1)Solid polyurethane wheels are widely ... , dirt, acid and alkali.We promise to supply you with high quality solid wheels,and aslo OEM service for different colors ... sincerely looking for hearing from you.Size for sale: 6'',8'',10'',12'',13'',14'',15'',16'',18'',20'',24'',26 ...