Features:1. Stop odor, prevent sewage overflow, prevent rodents, Prevent things from falling into the toilet.2. Quality safe plastic, durable, solid, long service life.3. Detachable sealing ring. Soft rubber ring, easy to install, separable sealing ring, fit squatting pan.4. Good resillience. High-quality spring, high elasticity, frequent use and tight closure.5. Two size optional, fits all kinds of squatting pan, squat toilet.Notice:1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement.Specification:Material: plasticSize:Small: inner diameter: 6.5cm, outer diameter: 10cm, for 7.5-8.9 cm hole diameterLarge: inner diameter: 8cm, outer diameter: 12cm, for 9-11cm hole diameter Package List:1 x Anti-smell Plug for Squatting Pan