Designed for Ultra series,Ultra 3, 6, and 8 Quart Ultra 10-in-1 Multi-Use Programmable Pressure Cooker Float valve and cap is small part that play a big role in how your pressure cooker works The silicone cap does wear out overtime from all the heat and pressure in the cooker. You might also lose one when you're washing the lid so it's good to have some around. Well made. High quality and durable. Silicone cap is made from safe durable silicone, no odor. Colour:Photo Color Material:Plastic+Stainless Steel+Silicone Package Contents: 1 * Steam release valve 1 * float valve 3 * silicone gasket 1 * anti-block shield 1 * Tripod washer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.