Material:Sink strainer is made of stainless steel, solid, eco-friendly and durable as well as anti-rust, finishing treatment, which will not hurt your hands. Size:Outer diameter: 7.5 cm. Inner diameter: 5.5 cm. Please measure the sink size before purchasing so that they can fit perfectly. Good performance:This is a sink strainer. high-efficiency sink that allows water to flow smoothly from the drain to prevent food residue and other debris from clogging. Good performance:This is a high-efficiency sink strainer that allows water to flow smoothly from the drain to prevent food residue and other debris from clogging. Usage:Suitable for kitchen sink , bathroom, bathtub, shower room, toilet, laundry room, etc., is a good filter. Product Description Product Name: Stainless Steel Sink Strainer Set Color: silver Size: outer diameter: 7.5 cm inner diameter: 5.5 cm Features Good performance, stainless steel, strong, eco-friendly and durable as well as rust-proof, finishing treatment. Easy to