The 16” x 20” double shower niche is the ultimate niche shelf for your shower. The double shelves provide a lot of storage space for soaps, shampoos, and other shower needs. Apollo shower niches install flush to the wall for a beautiful and sleek design. All Apollo shower niches are eco friendly and are made from a high quality plastic that will not harm the environment. There is no need to build expensive custom niches. Apollo shower niches has a textured finish for easy tile application. These niches are leak proof and will not collect rust or mildew.