2PCS Stainless Steel Kitchen Sink Strainer. Stainless steel construction for reliable, rust-free service. Suited to daily utilitarian use for long-lasting protection against clogging. Micro-perforation: 2mm dia holes. Efficient anti-clogging shield lets liquid flow seamlessly into the drain while it blocks food particles. 4.5" overall dia. includes 2.75" micro-perforated bowl area contoured by a 2-ply metal sheet flat rim to rest over sink's drain. Easy wash with warm soapy water to keep the mirror finish shine impeccable over time. Dishwasher safe. Micro-perforation: 2mm dia holes. Efficient anti-clogging shield lets liquid flow seamlessly into the drain while it blocks food particles. Stainless steel sink strainer fits most sink drains and garbage disposals.micro perforations the strainer efficiently prevents even the smallest food particles from going through. Debris are caught while liquid goes through unrestricted. Anti-clogged: 2mm small holes, water away, debris catch, effectively stopper to food particles, vegetables and other kitchen debris, trash go to drain pipe, anti-clogged. Easy wash with warm soapy water to keep the mirror finish shine impeccable over time. Dishwasher safe. Stainless steel construction for reliable, rust-free service. Suited to daily utilitarian use for long-lasting protection against clogging.