The toilet sealing ring is made of premium rubber material, not easily deformed, very reliable to use. It can be installed very easily and directly. Say goodbye to unpleasant smells, spills or unpleasant gas. It can surely offer you better service. Features -Color:Blue -Material:Rubber -Size:12.50X12.50X4.50cm/4.91X4.91X1.77in -Inner diameter:About 8.90cm/ 3.50inch. - outlet diameter: About 7.00cm/ 2.76inch. - This toilet seal ring to with the bad smell and water leakage when you flush the toilet. - Universal toilet sealing ring. Avoid being washed out of the line. - Made of safe and sturdy rubber materials, strong and excellent sealing effect, to serve you longer and better. - Simple structure, light in weight, easy to install and remove, largely save your time and efforts. - It can provide a tight sealing effect between toilet bowl and waste line, very professional and practical. Package list: 1 x toilet bowl ring