Frost King 4 Pack Window Insulation Shrink Kit Do it Yourself, easy to use, just need a hair blower peel and stick, then use blower to seal 42" wide by 62" tall, standard size windows 4 sheets in the box. Low cost insulation and draft seal, save up to 35% of heat loss New Shipping: If you are buying more than one item, please remember to check off the area that requests the seller to send an invoice, so I can combine the order for you before you pay. I offer several methods of shipping, choose which is best for you. Thank you again for browsing in my store, there is always something new and exciting coming your way! Feel free to ask questions, and let me know if there is a problem with an order before putting in a claim with, so we can work things out. Thank you again Estate Treasures by Alana