You know that dog doors are convenient. No getting up in the middle of the night to let your dog in and out, no interruptions during dinner, and no need to worry if you can't get home from work right on time. But pet doors are not only convenient for you, they're actually good for your dog! By giving you dog the freedom to move in and out, a number of common behavior problems can be eliminated. PetSafe dog doors are a safe and convenient way to improve your dog's behavior, but your job doesn't end with installation. All dogs need proper training in how to use the pet door and in basic obedience. A free video is included with every PetSafe pet door to help you train your pet and install the door. PetSafe PPDL-11 Ultimate Pet Door Features: Dog Size: up to 80 lbs Flap opening: 10.375" x 15.75" Unique duel flap system reduces energy loss in winter and summer Outside flap acts as weather stripping for a complete energy seal Flexible, safe and non-toxic vinyl flaps See-through flap design aids in training Locking closing panel may be inserted on either side of the door Multiple ceramic magnets ensure flaps always close completely behind your pet Rust-proof, strong extruded frame Scratch resistant powder-coated enamel finish Medium

Ultimate Pet Door - Medium