X-LARGE PET DOOR REPLACEMENT FLAP:Measuring 10 1/2" (width) x 15" (length), this dog door flap is designed for large-sized dogs(UP to 65 pounds) and is compatible with Ideal Pet Products Designer Series DSPRFXL RFXLN DURABLE AND WEATHER RESISTANT: Made from TPU that features excellent elasticity and flexibility,this dog door replacement flap is designed to withstand harsh weather conditions and repeated use without warping or curling EASY TO INSTALL: Equipped with four pre-drilled holes at the top,ensuring easy alignment and compatibility with Ideal Pet Products dog door, requires only a screwdriver and a few minutes of your time MAGNETIC CLOSURE: Featured metal strip at the bottom, the pet door replacement flap closes tightly after your pet passes through,keeping out wind, dirt, and more for long-lasting durability COST-EFFECTIVE AND EFFICIENT: Meticulously crafted to seamlessly match your existing pet door,This dog door flap ensures hassle-free entry and exit for your furry companions Made from TPU that features excellent elasticity and flexibility, this dog door replacement flap is designed to withstand harsh weather conditions and repeated use without warping or curling, Providing a easy access for your furry friend to go out or in anytime.