Was a case of 48.  There are 2 missing.  Ships USPS within the US. 

High tensile strength, glass cloth reinforced foil tape offers puncture, fracture and tear resistance

Performs continuously over a wide temperature range from -65°F/-54°C to 600°F/316°C

Light and flexible construction easily conforms to curved or irregular surfaces

Thermally conductive and reflective backing assists with heat shielding

Pressure sensitive silicone adhesive adheres to difficult surfaces, including silicone