Twin Draft Guard will keep your homes insulated by protecting both sides of the door or window with its high-density foam. It keeps the cold air outside from getting in the house and it retains the warm heat inside, thus conserves energy and reduces home heating and air conditioning bills! Moreover, the Twin Draft Guard is perfect for use on interior or exterior doors and windows. Most importantly, it blocks wind and dust. Besides, this device has a double-sided structure that guarantees maximum protection and easy use. Furthermore, this Guard has a removable and washable cover. HURRY UP for the purchase RIGHT NOW, as there are FEW AMOUNTS LEFT, due to VERY HIGH CUSTOMER DEMAND! We truly believe we make some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 30 day guarantee. If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase. Buying items online can be a daunting task, so we want you to realize that there is absolute ZERO risk in buying something and trying it out. If you don't like it, no hard feelings we'll make it right We have 24/7/365 Ticket and Email Support. Please contact us if you need assistance. If you have problems with the purchase, please notify the customer service