BATHROOM SINK POP-UP STOPPERS - This is for a pack of 2 pieces of standard-fit bathroom sink pop-up stoppers that fit most Moen and similar design sinks. Note: This model has a fixed cap STANDARD DESIGN POP-UP STOPPERS - The cap’s outer diameter is 1 inch. The body or fins are also approximately 1 inch. The overall height is 4-1/2 inches. Please measure your existing stopper to ensure a perfect fit PLASTIC BODY WITH CHROME FINISH - Rust and corrosion are nonissues with these plastic pop-up stoppers. The plastic fins are also durable and resist wear and breaks while the chrome finish will give your sink a cleaner look that lasts! EASY TO INSTALL POP-UP STOPPERS - The stoppers don’t require tools to install. You also don’t need disassembly to install or remove the pop-up stoppers. One mounting hole allows an exact fit for select drains O-RING GASKETS FOR DEPENDABLE POSITIVE SEAL - Dependable gaskets create a watertight seal on the edge of the drain’s flange. This will ensure not only an excellent seal, but also a long-term seal that won’t budge until you pop them up!