Item Descriptions:-The washers measures about approx. 27mm/1.1inch in diatameter and 7mm/0.3inch in height, and the hole measures approx. 8mm.-Please kindly check the size before purchasing.-Made of rubber material, which is not easy to deform and it can for long time use.-It can be well applied for fix and tighten your toilet seat, and will not to break your toilet.-Comes with 4/8 pieces of black toilet rubber washers to meet your daily replacement needs.Package:4/8x WashersItem Specifications:Colour:BlackMaterial:RubberDiameter:27mm/1.1inchHeight:7mm/0.3inchHole size:8mm/0.3inch