Use 2 strands held together throughout. When seaming, it is recommended to use mattress stitch, that is, working into one half of one stitch on each side of piece, and using one strand of yarn, or a smooth yarn of similar color. The measurements given take into account the mattress stitch seaming method. Suggested yarn Malabrigo Yarn Rasta Yarn weight yarn held together Super Bulky + Super Bulky = Super Bulky (5-6 wpi) Gauge 5.5 stitches and 9 rows = 4 inches in stockinette with 2 strands held together Needle size US 19 - 15.0 mm Yardage 900 - 1080 yards (823 - 988 m) Sizes available 38", 42", 46" bust