VIP Home Essentials Summer And Winter Door And Window Energy Saver Double Draft Guard - Black - 2 Pack Lets face it draft guards are not just for the winter. If you going to lose warm air in the winter your going to lose cool air in the summer. Easy to install and trim to size so they fit both interior or exterior doors & windows. Fits all modern sized doors and windows up to 34" wide. Foam is perfectly sized to be one inch thick so gaps are sealed and doors open easily. Weatherproofing your home lowers energy bills, reduces drafts, and protects interiors from harsh weather conditions.