Sink filters: 2 stainless steel sink strainer drain protectors. Prevents clogging: Finely woven spacer grid helps secure drains without clogging them. It allows water to pass through when capturing food waste. Sink strainers can be used to prevent clogging of drains. Perfect Fit: Unique beveled edges provide a secure fit. It is suitable for various water outlets such as kitchens, bathrooms, bathtubs, shower rooms, toilets, etc., and can filter residue effectively. EASY TO REMOVE AND TO CLEAN: The drain guard is easy to remove and clean. Save time on cleaning so you can clean your sink, basin, or tub more efficiently and quickly. Stainless Steel: Made of stainless steel, the drain protector is durable and rust-proof, so you don't have to no need to worry about frequent replacements. Approximate outside diameter: 7.7cm, 8cm, 11cm. Due to factors such as manual measurement and display differences, there may be slight differences between the individual products and the images, please excuse me.