Heat retention, energy-saving measures, and cold insulation. Set of 2 with labels. [40 colors x 140 sizes] Heat insulation, flame-retardant, heat-shielding, made in Japan. Blackout curtains "K-wave-D-plain" Ecru, Grade 1, Width 100 x Length 178cm, from Curtain Kurenai. ‐ Mercari: Shop from Japan