Our professional sink stopper is with ring design, easy to remove, and can replace the broken, missing or ineffective drain plugs easier and more conveniently. Made from rubber materials, with good workmanship, widely used for most places like bathroom, kitchen sinks, bathtubs and so on. Features - Color: Transparent blue. - Material: Rubber. - Size: 5.00X5.00X1.30cm/1.97X1.97X0.51inch.(suitable for hole of 4.7-4.9cm) - Size: 4.20X4.20X1.34cm/1.65X1.65X0.53inch.(suitable for hole of 3.8-4.1cm) - Size: 3.90X3.90X1.27cm/1.54X1.54X0.50inch.(suitable for hole of 3.45-3.7cm) - Size: 3.55X3.55X1.20cm/1.40X1.40X0.47inch.(suitable for hole of 3.3-3.4cm) - Size: 3.25X3.25X1.21cm/1.28X1.28X0.48inch.(suitable for hole of 2.9-3.2cm) -Note: There are differences in color - Rubber material with good workmanship, these sink stoppers can be used for long period of time - Proper to use in home kitchen sink, bathtub, blends nicely with bathtubs and existing fixtures - The considerate and effortless ring design enables it to be pulled out easily, save your time greatly - Tub drain stopper can keep the water in the sink, moving sink stopper to drain unwanted water - Light weight, easy to insert into the sink, make sure the sink hole is of proper size, so that it can have good sealing effect Package list: 20 x Bath Stoppers