Description: 【Compatibility】: This toilet flange seal is universal with 100-110mm outlets and is suitable for most toilets. 【Odor Resistant】:Toilet flange seal rings effectively seals the between the toilet and sewage outlet and floor tiles, prevent any unpleasant odors from escaping and maintaining a fresh bathroom environment. 【Durability】: This thickened toilet rings is made of upgraded materials to ensure long term durability and performance. The high toughness seal provides an airtight tight seal. 【Advanced Structure】: The upgraded structure of this toilet odor stopper has multiple sealing layers to give you more peace of mind It is carefully designed to control every link chain to ensure a great fit every time. 【 Activated】: Due to its structure, this drain sealing rings is not easy to damage. When there is water, it opens; when there is no water, it closes. The greater the pressure, the better the lid seal. Specification: Material:Silicone Size Chart:Total Length: 10cm/3.94inch Upper Diameter: 12cm/4.72inch Inner Diameter: 8cm/3.15inch Package Includes:1 Toilet Flanges Seal Rings Note: Please allow slightly errors 1-2cm differences due to manual measurement.