Qingdao Gofai Rubber can produce solid rubber ball, rubber ball with hole. size is from 1mm to 100mm,etc Mateiral: NBR /EPDM/Silicone/FKM/Viton, etc It is widely used in food/industril/medical/ machine sealing, etc. Customized size/color /shape approved. If you are interested in it, please contact with: chinarubber@aliyun.com