This is the Precut Version. >>> (8) Pre-Cut SHEETS: 24inch x 60inch. FITS 1 CAR GARAGE DOOR (4 ROWS HIGH). (Note This is the insert or air gap version: The material goes directly on the garage door (no Air gap) or applied to the metal bracings (with Air gap). → No special tools or protective clothing required for installation and handling → Deflects heat in summer and retains heat like a blanket in winter, saving energy and money → Eco-friendly design is made of 20% recycled material → Includes More than enough Super Strong Double Sided Tape with long-lasting acrylic adhesive on both sides → Kit meets ASTM standards and complies with building code → Easy to install with the flexibility of installing to your exact dimensions and cuts → Includes a razor for easy cutting The product consists of two 96% reflective layers of film bonded to two internal layers of heavy gauge polyethylene bubbles (total thickness 5/16”). >>>All-In-One Kit Contains everything you need to insulate your Garage Door. >>>Improves Thermal Performance >>>Easily Installs in 60 Minutes or Less >>>Increased R-Value and E-Value