Dog Door with All-Aluminum Frame: Our XL dog doors are made of 1.7mm- thick aerospace-grade aluminum,which resists bending and rust while ensuring long-term durability. Unlike flimsy plastic or iron alternatives. Making it ideal for active households with large or energetic breeds Extra Large Dog Door with Excellent Weather Seal: This xlarge dog door has 2 pairs of industrial-strength magnets and ​complete-coverage brushed seals, ​creating an airtight barrier against rain, snow, and drafts. The self-closing, insulated flap reduces energy loss by up to 90%, keeping your home comfortable in -20 °F winters and 100 °F summers Extra-Large Dog Door with Lock System: Our xl dog door has an extra-thick, lockable panel. When locked, it not only restricts your pet's access but also blocks unwanted entry from other animals, ensuring home security User-Friendly Xlarge Dog Door: Installing our extra large dog door is a breeze. Our xxl dog door comes with a step-by-step installation guide and cutting template, making it simple to integrate into various door types Extra-Large Dog Door for Doors/Walls: Our XXL dog door features a telescoping tunnel that accommodates doors 1¼" to 2½" thick. With an extra-large flap (14"×23") and frame (17"×27"), it's perfectly suited for medium to extra-large dogs, supporting a maximum weight of 230 lbs Quality & Customer Service: At Alluneitter, every pet door undergoes rigorous inspection to ensure its integrity and excellence. If you have any issues, our service team is ready to provide prompt assistance, ensuring you enjoy first-class service dog door dog doors large dog door large dog doors dog door large extra large dog door extra large dog doors xl dog door xlarge dog door xl dog doors dog door extra large dog doors extra large xl dog doors dog door xl dog door for door dog doors for door large dog door for exterior doors xxl dog door xl dog door for exterior doors extra large dog door for exterior doors dog door for exterior door locking dog door xlarge dog door x-large dog door doggie door doggie doors large doggie door large doggie doors doggie door large extra large doggie door extra large doggie doors xl doggie door xl doggie doors doggie door extra large doggie doors extra large xl doggie doors doggie doors xl doggie door for door doggie doors for door large doggie door for exterior doors xxl doggie door xl doggie door for exterior doors extra large doggie door for exterior doors doggie door for exterior door locking doggie door xlarge doggie door x-large doggie door doggy door doggy doors large doggy door large doggy doors doggy door large extra large doggy door extra large doggy doors xl doggy door xl doggy doors doggy door extra large doggy doors extra large xl doggy doors doggy doors xl doggy door for door doggy doors for door large doggy door for exterior doors xxl doggy door xl doggy door for exterior doors extra large doggy door for exterior doors doggy door for exterior door locking doggy door xlarge doggy door x-large doggy door pet door pet doors large pet door large pet doors pet door large extra large pet door extra large pet doors xl pet door xl pet doors pet door extra large pet doors extra large xl pet doors pet doors xl pet door for door pet doors for door large pet door for exterior doors xxl pet door xl pet door for exterior doors extra large pet door for exterior doors pet door for exterior door locking pet door xlarge pet door x-large pet door Giant Large Door mount in-wall mount Energy Efficient Wind Resistant Weather Stripping Thermal Insulated Double Flap insulation Weather Sealed