... 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 ... .5. We can supply the glass bottle together, there are 30ml, 60ml, 90ml, 125ml ... , 250ml bottle, colour in clear and amber.6. Customization ...