Genexice Stainless Steel Suction Toilet Paper Holder Do NOT buy from other vendors if you want the original high quality product! Look for "Sold by Genexice, Inc." and buy the original brand. Rotate and lock suction technology provides easy installation without glue or tools Suction works on tile, glass, mirror, granite, stainless steel, acrylic, laminate and any non-porous surface that is flat and smooth Suction does NOT work on surfaces that are porous, bumpy, coarse or textured Suction Cup Dimensions: 2.5" diameter (Your tile must be bigger than 2.5 inches)