Redi Niche single Recessed Shower Shelf &ndash; Black, One Inner Shelf, 16-Inch Width x 20-Inch Height x 4-Inch Depth ALL-IN-ONE STORAGE SOLUTION: One-piece shower niche with recessed shelf FITS ANY NEED: Install either horizontally or vertically to best suit your shower; Perfect for storing soaps, shampoos, razors and other shower supplies READY TO TILE: Install tile directly on niche surface to customize shelf to the look and feel of your shower DURABLE & LONG-LASTING: Made of high quality ABS plastic to withstand heavy-duty use; 100% waterproof and leak-proof DIMENSIONS: 16" Width x 20" Height x 4" Depth