*KeyFeatures *Sealed and Waterproof: The insert shower niche uses a triple-layer waterproof base of XPS foam board, cement mortar, and waterproof coating, ensuring 100% sealing. It safeguards walls from wet and humidity, extending their lifespan and avoiding water penetration, keeping interiors dry and hygienic. Note: This product needs to be used in conjunction with waterproofing materials, not on its own!!!! *High-Quality Materials: Made from (HCFC-free) XPS foam board, this niche offers exceptional durability, decomposition-resistant and decay-proof. Additionally, XPS foam is lightweight, easy to handle, and place. *Multiple Craftsmanship: The surface features a double layer of cement mortar reinforced with fiberglass mesh, offering superior rigidity and load-bearing capacity, withstanding up to 62kg/m (about the weight of an adult). The fiberglass mesh, cement mortar, and waterproof coating create a rough, textured surface that is compatible with any tile adhesive for strong adhesion and secure tiling. *Easy Installation: Comes with an accessory kit for horizontal or vertical recessed installation. Just follow these steps: Step 1: Determine the required height and draw a horizontal line on the base layer. Step 2: Cut along the line and get rid of 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. *Wide Application: With a dual-layer design, the overall dimensions are 4 x 16 x 20 inches (10.2 x 40.6 x 50.8 cm). The shower box occupies no extra building space and is convenient to use. Suitable for bathrooms, cabinets, bookshelves, kitchens, and more, meeting a variety of niche usage needs in different scenarios. ******************************************************************************************************* *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 ******************************************************************************************************* *Pakcage Content Shower Niche x 1 Stainless Steel Claw Washers x 10 M5 Countersunk Screws x 10