SEALING :Mxclimate window air conditioner insulation foam panels,designed to cover or replace the existing plastic side panels,achieve effective sealing effect the other is leather pattern,excellent sealing performance. 【APPLICATION】:Air conditioner foam insulation designed to fit most window ac unit(5000-12000BTU). keep out hot air into your house during summer and cold air in winter,improve comfort and energy efficiency AC Side Foam Panels Mxclimate Window Air Conditioner Foam Insulation 17" Good Sealing AC Side Walls Window Insulation Kit For Window AC For All Seasons 2 Pack Air Con Window Seal Kit Outward Opening Top 10 Best Air Conditioner Side Panel panels are easy to cut to size with scissors All season protection against drafts, moisture, dust & insects. Mxclimate One-Piece Full Surround Window AC Insulation Foam Side Panels for Air Conditioner Units, 39'' Width Indoor Window Seal Kit Cover, Winter and Summer 1 roll of tape (for easy installation)