Kit Includes: 4 rolls of 2ft x 17ft (easily cut to fit 21inch panels or 24 inch panels) / Heavy Duty Double Sided Tape / Razor / Squeegee / Instructions EXTREMELY EFFECTIVE - reflect 97% of radiant heat, excellent resistance to Conductive flow of heat, creates an air pocket to obtain an R8 value insulation. TWO REFLECTIVE SURFACES - made of supreme quality material - 5mm closed cell Polyethylene-Air (not a cheap radiant barrier) sandwiched between PURE ALUMINUM (not a polyester film) on both sides. Two reflective surfaces, twice more effective. HEAVY DUTY DOUBLE-SIDED TAPE - comes with new and improved heavy duty double-sided tape, this tape can be used in Extreme hot and cold climates. ADDED VALUES - VAPOR BARRIER - Unaffected by humidity and moisture, SOUND BARRIER - excellent Sound Deadener. TEMPERATURE CONTROL- reduce the inside garage temperature by 8 degrees in summer and turn it into a comfortable place, Saves heating costs in winter, reduces heat loss through the garage. EASY TO INSTALL- easy to install, very clean, finished look, Non toxic.