Soundproof and Waterproof The sound-proofing effect of water coating on face is excellent. it includes more than 10 functions, such as higher performance sound absorption, sound insulation,heat insulation,heat preservation,antibiosis,mould proof,waterproof,grease proof,antifouling,dustproof,etc.The wall cloth is not to be stained with dust and keep cleanly and freshly,make you free from worry and save effort.