Functions Moisture-proof, anti-static, sound-absorbing, mold-proof, waterproof, fireproof, soundproof, smoke-proof

Please see the following information:

Size of 57 square feet roll:

Width : 21'' inches

Length: 30' Ft

*Coverage: 10 feet from the top of the wall,

5 feet 5 inches on the side,

(approx 57 square feet of wall)