1. Material: silicone 2. Strong sealing, anti-odor, anti-insect, anti-leakage 3. Good flexibility, no deformation when twisted or pulled, soft texture 4. Rubber has good sealing performance, anti-aging and long service life. 5. Easy to install and operate, just pry open the old overflow hole with a knife and insert the rubber plug. 6. Universal caliber, suitable for most conventional ceramic washbasins on the market 7. Can be used if the hole diameter is 22-24mm 8. Weight: about 4.5 grams
