PRODUCT SPECIFICATION - Our silicone gasket sealer rings fit just right. Gaskets Compatible only with 3qt InstantPot Duo, Mini, Duo Nova 30, Duo Plus 30, Lux, Ultra Models including IP-duo30, IP-lux30, IP-ultra30 | GREAT QUALITY - - The sealing ring 3qt is made of safe and High quality Food-grade silicone. Wear, corrosion, high temperature resistance, BPA FREE, No carcinogenic substances, eco-friendly, safe for people's health | SPECIAL SUPPLIES - Won't recommend this 3 quart sealing rings for other brand's pressure pot, Made exclusively for use in Instant Pot. Recommended to replace your Instant Pot sealing ring every 12-18 months | DISHWASHER SAFE - Besides food safety, high temperature resistance is also a necessary guarantee. Our silicone rings can tolerate temperature from -40 to 500 degrees. It is easy to clean in dishwasher, or directly sterilized in boiling water. Also, it's esay to store and drain in dish drying rack | EASY TO STALL - Step 1: Start at the spout. Tuck one edge of the sealing ring to fit snugly around the wire sealing ring rack on the lid of the pressure cooker.Step 2: Go around the lid and with your thumb gently press down on the silicone ring to help it set into place