Description: Durable Materials: Upgraded dual layer design provides excellent thermal insulation. 80% shading, windproof and dustproof, durable and long lasting; self adhesive side grooves for strong adhesion. Economizer: Window type air conditioner units are designed to prevent air leakage on the side, keeping cool air in summer and warm air in winter, improving comfort and energy efficiency. Upgraded Double Layer: Made of high quality vinyl, odorless and eco friendly. Upgraded double layer design, better insulation, dustproof. It helps reduce noise and eliminate cold wind and light. Universal: Fits openings up to 17", each panel extends up to 10" wide, can be cut with a hand saw to fit, please measure the inside dimensions of the window frame before purchasing. Fits most 5,000 to 20,000 BTU window air conditioners. Ease of installation: Suitable for "clip" and "flat" sashes. Comes with self adhesive channels, sealing foam tape and handsaw for easy installation. Specification: Material: Plastic Size Chart: 43.18x25.4cm/17.00x10.00inch Package Includes: Window Side Panel (2pcs) Sliding U shaped Strip (2pcs) Gray Adhesive Strip 2m (1pcs) Saw (1pcs) Pencil (1pcs) Cloth Ruler with Iron 1.5m (1pcs) Sticky Strip 1.5m (1pcs) Adhesive Strip (4pcs) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!