Upgrade Material: Constructed from a special plastic, our dog door can endure extreme temperatures ranging from -40 degrees to intense heat, all while maintaining its feature. and reliable, it requires no replacements or adjustments over its . Keep Your Family Safe: Equipped with a backplate, our doggie door seals tightly and provides exceptional insulation against all weather conditions, ensuring your home remains safe and -efficient. Privacy Protection: This robust pet door features a privacy protection flap gate, making it an ideal choice for pet owners who value security and ease of installation. Easy Installation: The pet doors come with a clear cut-out template and step-by-step instructions, making installation a breeze in any door type, including both interior and exterior settings. Available Sizes: The dog door is available in large (L) and small (S) sizes, with a note that the cover pattern differs between L and S sizes.