The Polyamide 6.6 monofilament (pa66), furture to the characteristics stated for the Polyamide 6, Polyamide 6.6 allows the use at higher temperatures without modifying the mechanical characteristics. It guarantees resilience and has a better dimension at stability than Polyamide. The nylon66 monofilament yarn is great for hook and loop tape, braided sleeving, kite string... The package can be paper bobbin, 1.2kg-1.5kg/piece, spool package: 2kg/piece