PetSafe Plastic Dog Door - 16.7" x 11.7" Inner Frame for Large Dogs, 2-Way Locks, Durable Frame, White

【Large Dog Door】Our dog door has a magnetic door with dimensions 11 ¾” x 16 ¾” in a strong frame. Our doggie door is designed with specific height to width ratios to appropriately accommodate small dogs or cats because they tend to keep their head tucked when entering. 【Energy Saving】This doggy door has solid magnets and brushed seals to enable the door to seal tightly and insulate extremely well against all weather conditions. 【Strong and Durable】Our pet door will be a familiar and welcome portal for your small dogs, cats or other pets from the time they begin housebreaking through their long life - buy a pet door that will last as long as they do. 【High Quality Material】Constructed with specialized plastic that can tolerate -40˚ F cold to extreme heat temperatures and maintain the features of the door. 【Easy to Install】Our pet door can be installed quickly using our detailed instructions and a cutting template that assists in precisely locating the cutting area. The pet doors can be installed in all doors and walls such as paneled, wood, glass (includes sliding glass doors), metal, PVC, etc. that are ½” - 2 ¼” thick. （Reminder: Before installing pet door frames on a hollow door, please fill the gap inside the door with base & spacer.）