1).Ring safety, 2).Any colour as customer's requirements. 3).Easy to close by hand, 4).OEM services 5).Plastic bottle cap Cap, capsules, Plastic cap, bottle cap1.Materials: PP2. Size: 28mm,3. Colour: Any colour4. The cap is easy to close by hand or machinery, there is a safety ring on the top of mouth, after open, it will be broken to show that product has been used.5. We can supply the glass ...