... Yellow,black,grey,white,orange,green Pure White Wool Felt Bar :Specifications(1) density:0.09-0.44g/cm3 (2 ... : PlainWidth: 1-3.5mFeature: Eco-Friendly, Breathable, Anti-Pull, T...Use: Home Textile, Hygiene, Garment, Interlinin...Certification: ISO9001:2008 & ... T 16401-1986Sound absorption coefficient 1.03 product reverberation method 24kg/m32000HZGBJ 47-83Slag inclusion content%≤0.3 Wool Felt Bar ...