How To Installation:First clean and dry the surface, measure and cut the wet room floor water barrier to your length, peel off the red adhesive back strip, stick to the Smooth Surface.NOTION:For Long Use, It Is Must To Use Silicone Sealant(Glue) To Fill The Edges Of The Water Barrier And Dry For 24 Hours Until The Sealants Is Solidified(The Package Do Not Contain Silicone Sealant) High Quality Silicone Material:The wetroom floor water barrier is made of food grade organic silicon, which is corrosion resistant, high temperature resistant, wear resistant. It is thick and not easy to be bended but also reflexible. Keep your Home away from Damp:Shower Water stopper, ideal for curbless showers and other areas where water needs to be contained:under the shower curtain,beside the shower pan, bathroom threshold, pool mesa,washing machine,basin,closestool,bathtub edge. Remember to use the glass glue on cutting edge. Easy to Clean:It is made of macromolecule and doesn't absorb water, waterproof and mildew proof. Only need a wet towel to wipe, it will be clean as new.The bath edging strip is soft and does not hurt your feet. Size: The size of the silicone water barrier is 16MM in width x 30MM in height,you can be easily cut to the length you need