Viskey Emergency Blanket, Silver, Large Size Material: PET film + coating. Small size: 83"*51", medium size: 83"*55", large size: 83"*63". The folding size: 4.33"*3.15"*0.79". Funtions: heat preservationreflect lightdiscrete samplingand as a discrete sampling. Suitable for field exploration, investigation, tourism and disasters. 1 pcs in each package.