Brand new VEVOR 16×24 recessed double-shelf shower niche. Tile-ready and fully waterproof with a triple-sealed substrate that keeps walls dry and mold-free. Made from durable XPS foam with a reinforced, mesh-textured surface for strong tile adhesion. Installs easily, fits cleanly into the wall, and provides sleek, functional storage for all your shower essentials. 16" W × 24" H × 4" D / XPS Foam Black / Double Shelf / Square Corners Recessed Wall Installation (Vertical or Horizontal) Waterproof, Rot-Resistant, Tile-Ready Surface