... . 3.Shockproof,moistureproof,heat preservation. Material:purely nature foam.Usage:wrapping,voice absorption,fireproof,soundproof,etc.Feature:Good performance in sound absorption ... ,shockproof,fireproof.Advantages:Factory directlly sell,with high quality and competitive price, ... to shiiping.4.Payment:T/T,L/C. sound proof foam/acoustic foam