General description Shower niche, sealed and waterproof with a reinforced surface for better load-bearing. Ideal for bathrooms, cabinets, bookshelves, and kitchens. Technical specifications Item Model Number: XPSNICHE1620 Item Dimensions: 4 x 16 x 20 inches / 10.16 x 40.64 x 50.8 cm Internal Dimensions: 12 x 16 inches / 30.48 x 40.64 cm Layers: Double-layer Color: Black Main Material: XPS Plastic Net Weight: 4 lbs / 1.8 kg Compatibility and accessories Includes installation kit for horizontal or vertical recessed mounting Stainless Steel Claw Washers x 10 M5 Countersunk Screws x 10 Installation Step 1: Determine the required height and draw a horizontal line on the base layer. Step 2: Cut along the line and remove the top base layer. Step 3: Use waterproof sealant to attach the niche to the studs and seal the joints. Step 4: Apply mortar and affix chosen tiles. Usage This shower niche features a highly durable design that helps extend its lifespan, reducing the need for maintenance