In Silicone: Ideal For Its Flexibility; As Well As Its Resistance To Different Temperatures, Silicone Guarantees You A Good Lifespan And Good Stability. Of These Caps.Multi-Purpose: Your Rubber Cap Is No Longer Totally Waterproof? Our Silicone Stopper Is Made For You, Whether It Is For The Bathtub, The Washbasin, The Sink, A Shower, Or Even A Bidet, It Will Adapt To Your Needs. All Surfaces And To All Drain Sizes Less Than 14 Cms. Thanks To; Its Suction Cup Effect, It Guarantees Total Waterproofing. No Maintenance: Thanks To The Silicone, The Plugs Are Extremely Easy To Clean. Maintain, You Just Have To Rinse Them With Water. Hot Water From Time To Time Or Clean Them With Water. The Sponge If Necessary To Restore Them To Their Original Appearance. You Can Even Clean It By Putting It In The Dishwasher 2 Colors To Adapt: With The Two Colors Provided (One Grey, One White), Your Corks Will Go Unnoticed In The Aluminum Bins , Earthenware Or Any Other Material With A Similar Color. These Are The Two Colors Most Often Used In Sanitary Facilities