Ideal Pet Products Air Seal Pet Door with Telescoping Frame, Large, 10.25″ x 15.75″ Flap Size Price: $83.86 (as of 10/01/2023 07:04 PST- Details) & FREE Shipping.

Durable, low-maintenance, energy-efficient pet door with inner telescoping frame
Made from strong, impact-resistant ABS thermoplastic with a clear, weather-resistant Lexan flap
For dogs and cats up to 90 pounds