16" x 16" Stainless Steel Powder Coat Shower Niche - Matte Black or White - ALFI brandPowder coated Stainless Steel Bath Niches by Alfi brand. They measure 16" x 16" x 4" overall, ready for recessing into a wall whether in the shower or anywhere else. The required cutout is 14. 5" wide, so it fits easily between studs. With its 16" height, even some gigantic shampoo bottles with fit and with some room left over. In the shower, bathroom, or any room, this type of niche affords you added storage and "de cluttering", to boot. Choose from