1. SUITABLE FOR ALL INSTANT POT 8 QUART MODELS - This Silicone Sealing Ring fits instant pot models Duo 8 Quart, Duo Plus 8 Quart, Viva 8 Quart, Lux 8 Quart, Duo Crisp + Air Fryer 8 Quart, Duo Evo Plus 8 Quart, Duo Nova 8 Quart, Ultra 8 Quart. Match exactly with your pressure cooker that ensures perfect sealing without any worry of steam escaping. Not recommended to be used with other electronic pressure cooker brands and only for Instant Pot / Instapot / Insta Pot / Instantpot; 3. THE HIGHEST QUALITY FOOD-GRADE SILICONE WITH GOOD DURABILITY - This silicone sealing ring is food . It is also BPA FREE and no carcinogenic substances. This silicone sealing ring is Wear, corrosion, high temperature resistance. It is for the of your families and also no harm to the environment. 4. NEW DESIGN SEALED-TIGHT & COMPLETELY LEAK PROOF - Two lines on the rim made a groove to fit underneath the wire strongly. Once firmly in place, you should not be able to pop it out easily.