Greenstar Panels Hyper-Insulation Garage Door Kits, Universal Kit for 8' & 9 Foot Metal Garage Doors, Includes 8 Hyper-Insulation Panels Patent Pending Hyper Insulation Design Keeps Garages Warm in Winter, Cool in Summer Helps Reduce Heating & Cooling Costs Provides Excellent Noise Reduction Fast Installation, Cuts Easily with Your Utility Knife, Installation Instructions included Includes 8 Boards for 8' or 9 foot Garage Doors, 2 Kits Required For Double Garage Doors Very Attractive \xa0Bright White Finish Improves Garage Look , Easily Washable Surface