During the cold weather months, windows become a prime spot for energy loss. Duck Brand heavy-duty window kits create an added barrier between the outdoor air and your home's inside, helping block drafts and air leaks that lead to high heating costs. Made with puncture-resistant film that is stronger than standard window kits, these kits are great for high-traffic or pet-friendly households. Plus, it's made with clear shrink film for good visibility and it's easy-to install and remove once the warmer weather arrives. Use together with other Duck Brand weatherization products to make your home more comfortable and energy efficient all year long. Material Tape, Plastic