We ship a rectangular gasket that consists of 4 sides and inner magnet
This is just a cut of the profile. Actual gasket contains 4 sides and inner magent
BEVERAGE AIR Gasket Part # 703-587C- Size - 20-6601 31 1/2 X 21 1/4 MAG 4SC for models BB78-1 , BB78G-1 and DD78-1