Best choices for sewing bags such as :Flour bags, fertilizer bags, food bags, cement bags etc. Our threads can be used on NEWLONG, UNION-SPECIAL ,FISCHBEIN high speed sewing machines, proved very good. Feature: 100% polyester virgin threads, enough Strength, enough Length, without knots etc. Ne10/3  12/4  12/5  20/6 etc. 150g--200g, 1kg, 2kg, 3kg, 4kg, 5kg etc.  

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