eModernDecor Flush Mount Installation 14 in. x 50 in. x 4 in. ABS Single Bathroom Recessed Shower Niche For Shampoo Toiletry Storage STR-1450 - The Home Depot
VEVOR Shower Niche Stainless Steel, 12'' x 24'' x 4'', Wall-inserted Niche Recessed, Easy to Install, Recessed Shower Shelf Modern and Elegant, Soap Niche Polished Finish for Shower/Bathroom | VEVOR US
Shower Niche vs. Shelf: Which Should You Choose? | The London Bath Co
Amazon.com: Tile Redi USA Niche Single Recessed Shower Shelf – Black, One Inner Shelf, 16-Inch Width x 6-Inch Height x 4-Inch Depth (RN166S-BI) : Tools & Home Improvement