3 Size Pack: The package includes 3 sizes of kitchen sink strainers, the largest one is suitable for 6.3-9.7cm drain opening, the middle one is suitable for 6.3-9.7cm drain opening. 4.8-6.4cm and the smaller one is suitable for 3.5-4.5cm drain opening. Mesh Design: The stains are mesh which can prevent small food residue from going down the drain and clogging drains. Easy to clean and install: just clean the food residue and use water to wash it away. They can be used for a long time. simply attach the sink strainer to the drains. Don't worry about clogging: With these kitchen sink strainers, you won't have to worry about cleaning drains once they get clogged. Premium Stainless Steel: The sink strainers are made of 304 food grade stainless steel, which is sturdy, rustproof and not easily deformed.