Features: Seamlessly fits all standard sinks with its premium rubber design, ensuring leak proof performances for kitchens and bathrooms while eliminating gaps common in metal alternatives. High elasticity, aging resistant rubber construction maintains perfect sealing through repeated use, featuring a smooth surfaces that repels grime for effortless wipe and go maintenance. Essential for renters adapting to multiple sinks, families prioritizing child safe materials, and homeowners seeking strong solution against frequent drain blockages. Secures water retention during dishwashing, pet bathing, or bathroom routines while preventing hair/clog accumulation in high moisture environments. Universally suitable for 3" 4" drains (including stainless steel and porcelain sinks), this food grade rubber stopper replaces strainers without chemical odors or erosion risks. Specifications: Component : Rubber Process: High elastic molding, strong and anti-slip Size: about 40mm/45mm(optional) Package Includes: 1xSink Plugs note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.