... :1m*1m or as your requirement Polyester White Felt belt1.Material: Polyester or Wool2.Width ... wearability, dustproof, cushion, quakeproof, Heat preservation, heatproof, sound insulation, silencing, fire retardant, insulation.4.Used for ... Seal,dustproof,cushion,quakeproof Heat preservation, heatproof,sound insulation,silencing Fire retardant,insulation Filtration:air ... any time. Polyester White Felt belt