Made of good material silicone, very useful and durable.Using this rubber ring, you can make cook easier.Two models for choice, safety components.Type: High Pressure Cooker Rubber RingQuality: 1PcMaterial: RubberFit for: for MideaFeatures: Durable, Useful, Kitchen Accessories3L-4L Inner Diameter: 20cm/7.87" (Approx.)3L-4L Outer Diameter: 22cm/8.66" (Approx.)5L-6L Inner Diameter: 22cm/8.66" (Approx.)5L-6L Outer Diameter: 24cm/9.45" (Approx.)Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Included:1 x High Pressure Cooker Rubber Ring Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin