As a professional manufacturer, Gelken Paintball Co., Ltd provides paintballs with sizes of 0.68inch, 0.43inch, 0.50inch and 6mm. All of our paintballs meet ASTM F1979-04 standard. At present, we supply three types of paintballs which is training grade paintballs, premium grade paintballs and tourament paintballs with high quality and best price. OEM service are available.