... quality Spun Polyester Bag Closing Threads without any knot.2) Our max cone weight can reach 10 kg,which ... products can distinguish mainly with 2 lines:1. Small cones for portable closers application: Per cone 200 gm, 8 oz ... meet all brands portable closers usages. 2. Industrial closing machines: Cone weight 1kg, 2.5lb, 2 kg, 4.5lb, 5lb, 3kg, ... 100% spun polyester sewing thread 12/4,12/3,20/2,20/4...