Rico Design Essentials Mega Wool chunky (formerly named Mega Merino ) is a high-quality new wool blend in medium needle size. The soft yarn is perfect for any chunky wool project including punch needle projects! Fibers55% Wool45% Manufactured Fibers - Acrylic Weight:Bulky / 12 ply Meterage/Yardage 125 yards(115 meters) Unit Weight100 grams (3.53 ounces) Gauge:14.0 sts = 4 inches Needle SizeUS 10 - 6.0 mmHook size6.0 mm (J) Textureplied, machine washable We always recommend hand washing to prolong the life of your knitwear.