Features: 1IMPROVE COMFORT: Side panel has excellent sealing and heat insulation, improving the comfort of your home during cold winters and hot summers. 2HEAT INSULATION: The side plate is designed in two layers, with foam panels on both sides for better heat insulation effect. 3UNIVERSAL SIZE: The size of this window air conditioning side panel is 43.2x25.4cm (17x10in), suitable for most 5000 to 20000BTU window air conditioners. 4EASY TO INSTALL: Comes with pencil, ruler, saw, adhesive strap, this insulation side panel is easy to cut and install on your window. 5MULTI FUNCTION: The side panel can also help eliminate airflow, moisture and light, reduce noise, making your life more comfortable. Item Type: Window Air Conditioner Insulated Panel Material: PVC, ABS Size: Approx. 43.2x25.4cm/17x10in Package Included: 2 x Side Panel 2 x U Shaped Bar 1 x Hook and Loop Fastener 1 x Backing Tape 1 x Pencil 1 x Cloth Ruler 1 x Saw 4 x Adhesive Strap 1 x User Manual