BarksBar Medium Plastic Dog Door with Aluminum Lining - 7 by 11.2...

BarksBar Medium Plastic Dog Door with Aluminum Lining - 7 by 11.25 inches Flap Size | Pets Up to 40 LBS

• Frame Size: 9.75"-14.75" ; Flap Size: 7"-by-11.25"; Recommended Door Thickness: 1 1/4" to 2"; White Plastic & Aluminum Lining: Keep Your Restless Pet Healthy And Active Without Ever Having To Open A Door Again
• For Dogs & Pets Up To 40 LBS: Durable Enough To Handle Day-To-Day Use; Bite and Chew Proof Tested; Easily Prevent Any Unwanted Guests From Entering
• Soft Flexible Heavy-Duty Vinyl Flap With Magnetic Closure: For Your Pet’s Comfort And Ease Of Use; Will Not Warp Over Time Or Under Extreme Temperatures
• Removable Self-Locking Slide Panel - 2-Way Locking: Easily Restrict Access When Door Is Not In Use; Helps Protect Against Extreme Weather, Air Drafts, As Well As Bugs And Insects
• Telescopic Frame: Very Easy To Install With Just 5 Easy Steps; Average Installation Time: 25 Minutes