100% lightproof, non-toxic, soft touch, soundproof, thermal insulation, fire retardant, no harm to body. 100% Polyester blackout ... is 100% lightproof, non-toxic, soft touch, soundproof, thermal insulation, fire retardant, no harm to body.embossed blackout fabric1) ... ) Width: 280cm4) construction: 75D*300D(black yarn)The fabric is non-toxic, soft touch. It is also soundproof, thermal insulation, ...