Upgrade your pet door with this large replacement flap, designed for longer-lasting performance, better insulation, and a quieter, more comfortable entry for your furry friend. Measuring 10.25"" x 16.25"" (260.4 x 412.8 mm) and made from thickened, soft Pvc, this tawny flap is both stylish and highly practical, blending seamlessly with a variety of home decor styles while standing up to daily use. The extended, reinforced magnetic strip delivers a powerful, quick-sealing closure that helps maintain your indoor temperature and improve energy efficiency, even in harsh weather conditions. Rounded, pet-friendly edges help protect your dog from scratches, while the durable, scratch-resistant surface keeps the flap looking great despite frequent use. Lightweight at just 0.97 lbs (0.44 kg) and compatible with a wide range of pet security doors (Item Model Number: Cwm-l), it's easy to install and provides reliable, weatherproof, windproof, and cold-resistant protection for your home.