Gabkey 7 inch Springform interlocking and leak-proof seal carbon Cake Pan Fits 6, 8 Quart Instant Pot 7 inch circular spring form pan made of heavy gauge carbon coated steel,perfectly in 6Qt or 8Qt Instant Pot Advanced nonstick coating design and evenly heating capability. Professionally designed with a rolled to resist warping and for extra strength. Spring latch and interlocking which securely holds form together offering a tight leak proof seal.but ,The batter don't adjust too loose! If the batter is too thin, it will leak. Oven safe to 450 degrees Fahrenheit. We recommend hand wash only. Choose soft tools and mild detergent to protect non-stick coating and avoid any sharp and rough tools to scratch the pan.