Specification Lid Size:9.0 inches | Style Name: VERONES 9 Inch Tempered Glass Lid Sealing Ring Size:6 Quart | Style Name:2 Pack Sealing Ring Red/Blue Material:Tempered glass lid,Stainless steel rim, Bakelite knob handle. BPA free&Dishwasher safe Application:Fits for Instant Pot 5 or 6 Quart, Lux 6-in-1 (5 or 6 Quart), Duo 7-in-1 (6 Quart), Duo Plus 9-in-1 (6 Quart), Ultra 10-in-1 (6 Quart), Smart Bluetooth 7-in-1 (6 Quart), or just as a common pan/ pot lid.(Pay attention to the size of your Pot before you click!) Tips:To avoid discoloration and odors, one may wish to change the sealing ring every 6-12 months