silicone earplus for waterproof,dustproof,anti - noise.
These plugs are mode of natural silicone.
Silicone is a kind environmental protection material, and Harmful to Humans.
You can use these plugs in any place, such as Swimming pool, the seaside bathing beach, the airport, the construction site...
We could make the plugs with special shape of yours.
Looking forward to work together with you.