3pcs / Set Hexagonal Nut Plug Anti-Slip Plastic Cap

1. Made of plastic material, strong toughness and not easy to break.
2. Widen and thicker rubber gasket for long service life.
3. The nozzle has a thread design, which makes the cover tighter and less likely to leak.
4. Built-in sealing ring, tight sealing.
5. Material: plastic + metal