Replacement flap for the Classic Pet Door and the Deluxe Panel Door Replacement Flap for the Classic Pet Door and the Deluxe Patio Panel Door. Soft, smoked vinyl, single flap for energy efficiency Size: Medium Product Features •Replacement flap for: •Classic Pet Door •Deluxe Panel Door •Wall Entry Door •Size: Medium •Flap size: 8.3" x 11.5" (21 cm x 29.2 cm)