High Quality Stainless Steel: Lightweight stainless steel construction stands the test of time, allowing years of use in the bathroom without having to worry about rust or wear and tear. / p> Heavy-Duty Closure Hooks: The hooks are strong enough to hold a heavy curtain. They are sealed, which prevents the curtain from sliding off the rings. EASY TO INSTALL: These heavy-duty shower curtain hooks are easy to open and large enough to be used for both the liner and the shower curtain. The hinged design makes it easy to put on and take off as needed. Smooth sliding: no snagging; effortlessly; Ingenious roller ball design makes the shower curtain easy to pull and slide, no jamming, smooth sliding, quiet and comfortable, can slide effortlessly on the upper with virtually no effort. Set 12 And Dimensions: Sold in sets of 12 for a standard opening of 150cm or 180cm Item dimensions: 7.5 x 4 x 1 cm. Shower Curtain Ring Hooks Rustproof Stainless Steel for Bathroom Shower Curtain Rods- Set of 12 Product Features 1.Stainless Steel 2. Corrosion Free 3.Rust-Resistant Plated 4.Polished for a Great Look 5.Heavy Duty Brass Roller Ball 6.Easy to Install 7.Friction Free, Gliding Action