Item: high strength polyester thread for quilting machine Model:300d Diameter:0.19mm Gross weight:500g Net weight:470g Length:12800m Flanging machine is an accessories machine for mattress edge sewing. Generally we recommend using 210d/3 or 20s/2 and 40s/3. For mattress sied decoration sewing, we recommend 150d/3 210d/3 or 20s/2.
