One piece is 1 meter long and 1.52 meters wide (ie 1.5 square)

The two pieces are 2 meters long. 1.52 meters wide (ie, the width is constant, the length is superimposed)

Thermal insulation coefficient:

Silver light: insulation 91%

Green Silver: 75% insulation

Tea Silver: 90% insulation

Blue silver: 85% insulation

Gold and silver: insulation 90%

Reflective Green: Insulation 65

Medium tea: 50% insulation

Reflective ash: 70% insulation

The above data is tested by the LS160A instrument. Different data will appear in different bands. The results are for reference only. The actual measurement is subject to