Save money and hassle. Keep pipes clear and you won't have to clear annoying clogs or spend money on a plumber. They catch food, help catch hair, and can protect jewelry from decomposing. And unlike metal, they won't rust or scratch the sink. They're also hygienic because they don't need to be mixed into mounting holes. Just lift the strainer and throw the coins in the trash. This set includes 2 high-quality plastic strainers that fit most bathtubs and kitchen sinks Size: outer diameter 6.8cm, inner diameter 4.3cm, height 1.4cm. Note: The data is all measured manually, please allow 1-3cm error due to light and display difference, there may be color difference, please refer to the actual item received.< /p>