Yescom Pet Door Dog Doggie Flap Mount Secure Lockable Large Frame Exterior Cat Entry XL

[Freedom for Your Pet]: 20″x15″x2″ Pet Door features flexible flap design for allowing your dog or cat to benefit from the freedom of coming and going for potty breaks and playtime freely on their schedule without interrupting you, mean you can and your pet live happily together
[Large Opening]: Inner frame measures 12 13/16″ in width & 17 11/16″ in height, which fits your pet with chest width as much as 12 3/4″ & chest-to-shoulder height as much as 16″, suitable for most medium-sized dogs and cats
[Sturdy & Durable]: Frame made of high-quality ABS, sturdy & have an effect on-resistant to resist heavy day by day use with lifespan as much as 3 years; Flexible flap with strong magnetic bottom to keep closed after your pet passes throughout the door
[Locking Panel for Access Control]: Comes with a slide-in closing panel, designed to be installed from the interior to regulate your pet’s get admission to to the outdoors and prevent stray animals from coming in, maximizing home security
[Easy DIY Installation]: DIY installation great for storm, wood, PVC and metal doors with thickness from 1 3/16″ to 1 15/16″; First measure your pet height and outline position on door, cut out board along the outlined frame and after all install pet door with screws