Features: Experience in bathroom with our Automatic Closing Toilet Flange Seal Rings, Designs to create a tight seal and prevent unpleasant odors and from invading your space. Crafted from plastic and rubber materials, this seal Rings features a general for drain openings ranging from 90-110mm, ensuring easy installation on various toilet models Not the need for professional tool. Suitable for homeowners who prioritize cleanliness and comfort, this innovative seal Rings is a must get for maintaining a and odor frees bathroom environment. Perfect for use in home bathrooms, public restrooms, and hotel facilities, our seal Rings offer added layer of protections wherever sanitation and odor control top . Enhances your bathroom functionality and protect your living space against unwanted smells and intruders with our Stable and user friendly Automatic Closing Toilet Flange Seal Rings. Specifications: Material: plastic+rubber Seal rings: about 136x44mm Check valves: about 110x132mm Package Includes: 1 set Toilet Flange Seal note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.