1. 【STRAINER & STOPPER】: There are 2 ways to use this kitchen Sink Filter Stopper. 1. Push it into the bottom, it's a stopper, the black rubber stopper keeps the water in the sink all the time, making it easy for you to wash dishes. 2. Pull it out a bit, it's a sink strainer basket. Protect your sink from blockages. 2. 【ANTI-CLOGGING】: Designed with 32 leaking holes and a smooth shape. Can stop food scraps and sharp objects. Effectively protect your sink and sink plumbing safety. 3. 【CORROSION-RESISTANT】: Made of durable 304 Stainless Steel strainer opening and synthetic plastic button tab that ensure long-lasting use. Wash dishes Safe.4. 【FIT STANDARD SINK】: The drain stopper is suitable for most standard kitchen sink drains with 3.18 inch drain holes or old sink filters in the United States and garbage disposals.5. 【PICK UP EASILY】: The middle stem of the kitchen sink strainer is for picking it up easily. When the basket is full of sink garbage, the stem will play a role.