?Large Volume? Overall Outside Dimensions: 13" X 25" ; Inside Dimensions: 12" X24" ; The Stainless Steel Shower Niche Also Boasts A Depth Of 4" Deep Enough For Almost Any Bathroom Product | | ?Quality Material? Shower Niche Is Forged From Stainless Steel, The Surface Has Been Plated Will Not Corrode Or Fade Easily. Plates Of 2.5 Mm Thickness Unlikely To Warp Or Deteriorate Assures Longevity Maintains Its Appearance And Performance Over Time | | ?Elegant Design?This Luxurious Niche Helps Organize Your Bathroom That Does Not Take Up The Precious Space Or Clutter Up Your Bathroom. It Is Ideal For Placing Shampoo Bottles, Soaps And Toiletry Within Your Reach | | ?Simple Installation?This Shower Niche Is Not Tile Needed, It Is Fully Finished And Ready To Mount Into Your Wall Opening. You Just Simple Diy Apply Silicone Sealant To The Four Sides Of The Niche, Then Put It Into The Hole And Press The Surface To Attach Tightly, Remove Excess Sealant After ItS Dry | | ?.