Description: 【EFFORTLESS FOOT PRESS OPERATION】: The Odor Resistant Floor Drain Core features a convenient foot press mechanism. Simply step on the cover to open it for fast drainage, and step on it again to create a tight seal 【ADVANCED ODOR & BLOCKER】: This Bounce Design Floor Drain Odor Resistant Core is engineered with a precision seal that effectively stops unpleasant sewer gases, odors 【RELIABLE BACKFLOW PREVENTION】: The smart internal structure of the Drain Backflow Preventer is designed to prevent sewer water and debris from flowing back into your bathroom during heavy rain or plumbing issues, ensuring your floor stays dry, safe, and sanitary 【INSTANT DIY UPGRADE】: This Bounce Design Floor Drain Odor Resistant Cor is specifically designed as a simple retrofit for existing drains. Just place it into your current drain opening for an immediate functional and aesthetic upgrade 【STURDY CONSTRUCTION】: Constructed from quality ABS plastic, this Floor Drain Odor Stopper is built to last in the humid bathroom environment, ensuring long term durability and easy cleaning. With dimensions of 9.8 cmx9.8 cmx5 cm/3.86 inchx3.86 inchx1.97 inch Specification: Material: ABS Plastic Size Chart: 9.8 cmx9.8 cmx5 cm/3.86 inchx3.86 inchx1.97 inch Package Includes: 1 Odor Resistant Floor Drain Core Note: Please allow slightly errors due to manual measurement and different monitors.