Features: brand new and high quality Safety in use: The pressure cooker exhaust for valve rubber pad is made of flexible silicone, odorless, non-toxic, and safe to use. Easy to install: The sealing ring has good flexibility and high temperature resistance, ensuring effective sealing, and easy to fix on the pressure cooker cover. Purpose: Used for repairing and replacing the rubber pad of steam for valve of rice cooker. Applicable Wattage: Small (400W/500W), Medium (700W), Large (1000W). The package includes: 5 pieces of exhaust for valve gaskets. Specifications: Material: Silicone Type: Large/Medium/Small Applicable Wattage: Small (400W/500W), Medium (700W), Large (1000W) Small Size: Approx. 28x5.5mm/1.10x0.22inch Medium Size: Approx. 36x7mm/1.42x0.27inch Large Size: Approx. 44x8mm/1.73x0.31inch (Size = Outer Diameter x Inner Diameter) Package Includes: 5x Gasket note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.