1.Wool Felt Seal: 2.material:100% polyester,wool 3.weight:50 ... 5.white,black,grey,white,gray,red,yellow Wool Felt Seal ::Specifications(1) density:0.09-0.44g/cm3 (2 ... preventive, Ageing resistance, etcApplication:Agriculture: protection nonwoven fabric, geotextile bags, grow bags,Medical: surgical gowns, protective clothing, disinfection pack cloth, masks ... Territory A...Thickness: 0.5-40 Wool Felt Seal