Invisia Corner Shelf Oil Rubbed Bronze Integrated support rail with a 500lb. capacity INV-CS-ORB (custom order) . Professional grade construction and superior quality fittings ensure years of uncompromising support Discreet wall stems with concealed screws Meticulously designed wall interface stems render mounting areas virtually invisible Multi-Contact wall support While two-point contact with the wall structure is standard for most support rails and bathroom accessories much of the Invisia Collection overachieves with up to 4 points of contact for maximum structural support. The soap dish corner shelf features a beautiful shatterproof Solid surface that resist the growth of mold and bacteria.