VEVOR Shower Niche Ready for Tile 40.64 x 81.28 cm, Double Shelf Organizer, Square Corners Wall-inserted Niche Recessed, Sealed Protection Modern Soap Storage Niche for Shower Bathroom, BlackProduct Features Sealed and 100% Waterproof VEVOR shower bays use XPS extruded foam board, cement mortar, waterproof coating triple waterproof substrate, 100% sealed and waterproof, which not only can protect the wall and extend the service life of the wall but also effectively prevent water penetration into the wall, keep the indoor dry and sanitary. High Quality Material The (HCFC free) XPS extruded foam board is durable and not susceptible to