Product Description Features: 1. Made of safe and durable PE, weather resistant, waterproof and anti scratching. 2. Soft texture, easy to cut and drill. 3. Super temperature resistant, play a good role in heat preservation. 4. Can be cut into 3 pieces for dog door with a height of approximately 19 in. 5. It can be used as a shelter curtain for stray cats, chicken coop door and more. Note: When received, there may be a certain deformation and unpleasant smell, it is recommended to press it in a ventilated place for a period of time before using. Product specifications: Material: PE Color: as shown Size: 4.9ft (L) x 11.8in (W) Quantity: 1 【DIY to Meet Your Different Needs】Plastic door flaps for DIY dog house can be cut to fit most openings. You can easily drill holes to fit in your dog door, cat door or pet house door. 【Address Your Dog's Fears】Maybe you will find that your dog is afraid of the traditional dog door and won't go through it because he/she can't see through it. Our plastic strips are transparent. So the problem can be easy to solve. They can easily get in and out of it. 【Multi-Weather Resistant Vinyl】Plastic door flaps are made of ultra-durable plastic that can withstand a variety of temperatures. It is a great way to give your pets free access indoors and out when they like. 【Safe and Eco-Friendly Materials】Our products are pet-safe. Flexible plastic saves a lot of heat due to its low thermal conductivity. 【Measure The Desired Length to Cut】Before installation, measure the desired length and cut with a knife or scissors, and overlap the sides for better insulation. Drill 2-3 bolts on each strip.