- Suitable for all Instant Pot 8 Quart 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. Matches exactly for a perfect seal with no steam leakage. Not recommended for other electronic pressure cookers; only for Instant Pot / Instapot / Insta Pot / Instantpot. - Three colors to distinguish flavors: orange, black and blue. Use to separate savory, spicy and sweet recipes and to prevent mixed odors. Colors also serve as reminders to change the ring when cooking foods with different tastes. - Food-grade silicone with high durability: BPA-free and non-toxic. Resistant to wear, corrosion and high temperatures. Safe for your family and environmentally friendly. - New sealed-tight design for leak-proof performance: Rim features two grooves that fit securely underneath the wire for a tight seal. Once in place, it stays securely in position. - Use scenarios: - Cook a spicy dish (orange ring) and then switch to a blue ring for a dessert to avoid flavor carryover. - Parent or caregiver can color-code rings for different family members’ tastes to prevent cross-flavor contamination. - Store and prep multiple meals in a single day—swap rings quickly to match the flavor profile of each dish.