It is produced by the advanced fiber which is processed specially,the main characteristics are as follows: excellent heat insulation trait. It does not burn,melt or drip,it chars and self-extinguishes.The length of breakness<=10cm, continuable time of flame-retardant<=2s. high temp resistance.It feels soft and puff,good mightness. 3. easy to sew,it is soft,feels comfortable,non-pollution,suitable materials for heat insulation products.