Material and build Made from copper and 304 stainless steel, this sink stopper is rust resistant and durable for long term use. Sealing rings provide a tight fit around the drain seam to help prevent odors and blockages. Compatibility and performance Fits most standard sink outlets, delivering efficient drainage. Designed to address missing, clogging, and odor issues on kitchen sink sealing plate covers. What it solves Replaces a missing stopper to restore proper drainage. Reduces the buildup of odors and debris by improving the seal at the drain. Use scenarios Replacing a missing stopper in a kitchen sink to restore sealing and prevent odors. While washing dishes or preparing food, use the stopper to trap debris and prevent clogging; lift to drain as needed. When soaking pots, pans, or vegetables, fill the sink with the stopper in place to control water flow and protect the drain.