The fire blankets are made of fiberglass fabric. The blanket can also be specially treated in order to gain a better fireproof performance. They can quickly smother flames to minimize burn injuries or prevent a fire from spreading. SPECIFICATIONS ONE: 　 　Thickness: 0.55 ～0.6mm 　　Weight: 600g/ m2 　　Size: 4FT X 4 FT/ PC 　　Size: 4FT X 6 FT/ PC 　　Size: 6FT X 6 FT/ PC 　　White , coating with PTFE 　　SPECIFICATIONS TWO: 　　Thickness: 0.4±0.04mm 　　Weight: 420 ±40g/ m2 　　Size: 1.0m x 1.0m 　　Size: 1.0m x 1.2m 　　Size: 1.2m x 1.2m 　　　　　　　　　　 　　Size: 1.8m x 1.8m 　　Treatment: optional other special specifications are also available upon request.