We provide quality assurance for the seller "Teklingo": Outside diameter 5.3cm(2.1") x Inside diameter : 2.5cm(1"). Depth diameter: 1.6cm(0.63). Custom size fits 99% of the holesGood bathroom drain hair catcher. PLEASE CAREFULLY CHECK DIMENSION BEFORE YOU PURCHASE - 2 Mesh Sink Drain StrainerMesh Stianless-steel Construction: Efficient anti-clogging strainer lets liquid flow into the drain quickly while it blocks particles. Simple and small design. Allows to be cleaned easily without hasslesSmooth Edges: Comes with metal flat rim to fit over sink's drain, At the same time can intercept hair, food bits, debris.long lasting protection against drainage clogging. Great for American families small kitchen and bathroom sinksPerfect Choice for Kitchen: Stainless Steel Sink Strainer for small sinks for daily usage for long lasting protection against drainage clogging. Allows to be cleaned easily without hasslesPractical and money-savingA plumber's visit can cost hundreds of dollars; Drain snakes and liquid drain cleaners are cumbersome to use and don't always work; this would be an effective alternative