High-quality Materials-Made of a layer of heat-resistant insulating foam and PVC Surface with leather pattern.Has good sealing performance.Durable and long lasting.Universal Design-Suitable for 5,000 to 12,000 BTU units and Fits window up to 39" width or smaller.Provides a nice and easy-to-clean surface.Energy Save-Seal the gaps between AC units and window frames,keep out cold air into your house during winter and hot air in the summer,reduce heating and cooling costs.Keep Comfortable-Seal out pollen,insects,dust,heat and drafts,have good insulation and looks great.Keep your house more comfortable.Easy Installation-The foam insulation panels can easy to cut with regular scissors,double-sided nano tape provided for simple installation. Product Description In the Box: Packed in roll 39“ x 17” of insulation panel, 1 x Double-sided Nano Tape Features： Easy to cut and quick installation.Good insulation and looks great.Reduce heating and cooling costs.Seal out pollen,insects,dust,heat and drafts.Design to seal the gaps between AC units and window frames.keep out cold air into your house during winter and hot air in the summer. High-quality Materials Made of a layer of heat-resistant insulating foam and PVC Surface with leather pattern.Has good sealing performance.Durable and long lasting. Double-Sided Nano Tape Double-sided nano tape included seal the gaps and hold the panel.Strong adhesive and no residue. Step 1: Measure the width and height (W x H) of the area you want to insulate. Step 2: Cut insulation panel to size (W x H). Mark on insulation panel and use regular scissors to cut. Step 3: Measure the position of your A/C. Step 4: Cut insulation to shape following the dimensions of H1, A, B. Step 5: Apply double side tape and remove the transparent backing. Step 6: Install insulation panel and done. Universal Design Suitable for 5,000 to 12,000 BTU units and Fits window up to 39" width or smaller.Provides a nice and easy-to-clean surface.