... bag or kraft bag 3.use for industrial bag closing machin 100% spun polyester ... all brands portable closers usages. 2. Industrial closing machines: Cone weight 1kg, 2.5lb, 2 ... kg, 4.5lb, 5lb, 3kg, 4kg, 5kg, 18lb, 9kg, 20lb & 10kg meet all brands industrial ... closing machines operations.** 18lb, 9kg, 20lb & 10kg bulk ...