MAVRICFLEX Weatherproof Dog Door with Double Sliding Lock Panel, Energy Efficient Rugged Aluminum Large Dog Door, Easy Installation, Magnetic Flap Heavy Duty Dog Door for Dogs Up to 100lbs Price: $139.95 (as of 12/03/2023 07:59 PST- Details) & FREE Shipping.

【Robust Construction】Prime aluminum frame with 17’’x11’’yellowing-resistant flap of XL dog door guarantees great security for home. All of our materials on heavy duty dog door are tested by US and EU quality standards.
【Saving Energy】Weatherproof function of dog door in wall is achieved by magnetic closure and UV resistant flap. A closing panel is included in large dog door, which can not only double protect the security of home but also reduce heat transfer in rough weather.
【Maximum Freedom for Pets】Lightweight flap can be used by cats, maximum freedom is ensured by free locking system. If you want to lock the door, you can use the panel included in dog door, freedom for pets, safety for home.