Have To Know Flap Size: 10 58 X 14 Frame Size: 13 34 X 17 516 Cutout Size: 15 116 X 10 1116 Why Choose Petouch Dog Door 1 Your Pet Will Love It: Give Your Lovely Family Members A Door That Specially Deigned For Them Now They Can Openly Explore The Outdoors Open Spaces Ensure That Pets Will Stay Fit And Trim 2 Built To Last Forever: Constructed With High Grade Aluminum Alloy That Can Withstand Extreme Weather Petouch Doggy Door Will Stay With Your Dog From Puppyhood To Old Age No Replacements, No Adjustment - Buy A Pet Door That Will Last A Lifetime 3 Health: Your Pets Cant Talk, But They Know How To Refrain From Urinating This May Lead To Urinary Tract Infections Now, You Can Give Them The Access To Go Outside And Relieve Themselves With A Pet Door 4 Cutting Template Included: Petouch Plastic Dog Door Comes With A Cutting Template That Helps In Precisely Locating The Cutting Area Easily Fits Into All Doors And Panels With Thickness From 1 316 To 2 38 5 Cost Efficient: Petouch Dog Door Designed With Automatic Closing Weatherproof Flap Help You Reduce Your Energy Bill And Our Doggie Door Seals Tightly And Insulates Extremely Well Against All Weather Conditions How To Measure Your Pets 1 Measure Width Measure The Widest Part Of Your Pet, Usually Across The Chest Add A Few Centimeters 2 Measure Height Measure Your Pet From The Bottom Of The Chest Or Belly To The Top Of The Shoulders, Which Is The Tallest Part