1. diameter 16mm -50mm 2. capacity 5ml -300ml 3. offset printing , UV printing , hot stamping , labeled 4. all shape caps YANGZHOU SHARP I INTERNATIONAL TRADE CO.,LTD is a specialized plastic tubes made company . We can do round tube , oval tube and super oval tube. The tube diameter has 16mm ,19mm , 22mm,25mm,30mm,35mm,40mm,45mm,50mm , and the capacity from 5ml-300ml . we can do 1-6 colors ...