Durable Frame 3-Flaps Insulated Wall Dog Door, Extreme Weather Large Doggy Door for Wall, Never Rust Wall Pet Door, Telescoping Tunnel, 2 Magnetic Flaps, Closing Panel, for Pet Up to 100lb

Wall Entry Pet Door: Petcoming's new wall-mounted 3-flap pet door fits walls of varying thicknesses from 3.35"-7.48". Build a tunnel through wall from your house to another space for your doggy/kitty, it gives your dog safe independence and fun | 2+1Flap for Extreme Weather Protection: Go beyond basic type. The Petcoming dog door includes two high-quality magnetic flaps and one insulated flap.Our 3-flap dog door outperforms typical 2-flap dog door. It combats extreme summer heat while offering enhanced wind, water, and sound resistance | Durable & Built to Last: Crafted from heavy-duty outdoor-grade polymer and reinforced with thicker materials, this pet doors frame is built to last. Unlike ordinary plastic frames, ours delivers superior strength and resilience, designed to withstand impact, weather extremes, and daily wear and tear | Safe Freedom for Your Pet: Give your dog the independence to explore the backyard or take potty breaks whenever they need. Use the locking panel to control their access. Important Safety Feature: Includes 2 pet fire rescue stickers to alert firefighters and first responders that pets are inside and need rescue | Find the Perfect Fit for Your Dog: Please carefully review the size chart in the photo to ensure your puppy/kitty can pass through comfortably. The flap opening is 17.3" x 9.45". Suitable for pets up to 100 lbs. This plastic dog door fits doors or walls between 3.35"-7.48" thick please confirm your measurements before purchasing | Exceptional Support, Always Here for You: At Petcoming, we stand by our products and your satisfaction. Enjoy 24/7 customer support ready to assist you anytime. Plus, we offer free replacement flaps if yours ever gets damaged or falls offbecause we believe in delivering not just quality, but peace of mind