【Silicone Material & Two Adhesive】The silicone sealing strip with two tapes on the back,which has better sealing performance and firmer adhesion.The water dam is made of food grade organic silicon, which is corrosion resistant, high temperature resistant, wear resistant. The bath edging strip is soft and does not hurt your feet.【Easy To Installation】First clean and dry the counter(or the floor)surface, measure and cut the shower water stopper to your length, peel off the red adhesive back strip, stick to the smooth surface(In winter, you can use a hair dryer for heating to achieve better viscosity).For a better seal, it is must to use silicone sealant to fill the edges of the water stopper barrier and dry for 24 hours until the sealants is solidi.