This is one 500-gram spool made using 100% pure cotton grown in Zimbabwe in southern Africa.
The total wick length is approximately 1427 feet (435 meters). The spool is 5.5" measured end to end. The total weight is 500 grams which includes the cardboard spool.
The spool is 6 x 72 tex. Tex is a unit of measure for the linear mass density of fibers, yarns and thread and is defined as the mass in grams per 1,000 meters.
The 6 x 72 means there are six strands of yarn that weigh 72 grams per 1,000 meters.