The Suction Cup is made of PVC + ABS + MOS + Silicone; The Rack is made of Superior Stainless Stee;Durable and , Removable and Repositionable, convenient to use. Supporting Capacity: 5KG; No more slipping and falling when you brush against the thing. No screws or mounts or silicone or drills; Simply twist to lock and twist counterclockwise to unlock for cleaning behind or in case of moving; You can also fold up the tray to put it out of the way when cleaning pots, thus maximizing sink space. Stainless steel and chrome plating ensures that the item will not rust, corrode, or become discolored. Suction works best on ceramic tile, glass, mirror, granite, stainless steel, acrylic, laminate and any non-porous surface with glossy finish. No Tools Needed, No Drilling, No Screws: No Holes in the Walls. Load-bearing with simple-elegant design. Rack: 13cm (L) x 9cm (W); Suction Cup: 6cm (Diameter) x 3cm (Thickness) Note: This suction will not attach to porous surfaces. No wood, unfinished , painted walls, nor grout lines Material:PVC + ABS + MOS + Silicone Colour:Silver Package Contents:1 x Soap Dish Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.