... -2m light,eco-friendly,soundproof,not easily disformed,good quality Sound Absorbing Felt (1) density:0.09-0.8g/cm3(2) Specification:1m ... Dingfeng Felt Co., LtdAddress: Qingnian Road ,Nangong City,Hebei Province,China(Mainland)Zip code: 055750Tel:86-319-5187999Fax:86-319-5187788 Sound Absorbing Felt