Unger Action yarn was a worsted weight, 100% acrylic yarn. Yardage was not given.
Unger Arosa yarn was a sport weight, 100% cotton yarn. It was a thick and thin slub yarn. It was sold in 135 yard, 1 ounce balls.
Unger Nanette was 100% acrylic, worsted weight yarn. Sold in 1 3/4 oz., 150 yard balls.
Unger Fiammetta was a worsted weight thick and thin with slubs, 65% cotton and 35% rayon. Each ball was 1 oz, no yardage given