Product dimensions: Overall dimensions 32 x 32 x 12.5 cm. Hole size: 30 x 30 x 12.5 cm. Note: due to different measuring methods and tools, an error of 1-2 mm may occur. Stainless steel niche: the niche is made of stainless steel, in one piece, waterproof and rustproof, can store everything you need, suitable for shampoo, body wash or other bathroom accessories. The inner wall of the storage has a certain horizontal slope to prevent internal water accumulation, easy to clean. Easy installation: make sure the size of the wall hole matches the size of the recessed niche in the wall. After placing the niche in the wall hole, apply glue behind the frame to attach it to the wall. Note: the adhesive used must be mold and water resistant. Bathroom renovation: Whether you want to build your own bathroom or renovate your current bathroom, this shower tray is the perfect choice to add stylish and durable storage space. You can flexibly combine multiple niches with each other. Multifunctional: the built-in niche can be installed anywhere and provides additional storage space without taking up valuable floor space. Suitable for bathroom, living room, bedroom, kitchen, etc.