Package Includes You will receive 1 piece of plastic vinyl strip which measures about 8ft25 meters long 12inch 30 cm wide and 008 inches 2 mm thick And the large size will meet your need of installing DIY Dog Door Replacement Flap HIDROSIL customizable vinyl flaps can be cut to any length to fit the size of the door and you can easily drill holes for mounting on your dog or cat door puppy kennel and doghouse doors Sturdy and Durble Flaps Made from extra durable PVC vinyl that can stay intact in cold winters and hot summersthe doggie door replacement strips are flexible and solid which not easily to break Transparent Design Dog door plastic door strip is transparent design will not block the dogs view and the light of the dog house and you can clearly see your pet the dog can enter and exit at any time Give your pet a better lifeYou can use them in the winter to shield the kennel from the cold air but also in the summer to shield your pet from the hot sun to provide a comfortable living environment for your dogs