Introducing King Cole Firefly Aran Yarn. A Glow from Nature. A Gleam in Every Stitch. Crafted from 65% Polyester and 35% Acrylic, Firefly Aran is a yarn inspired by the iridescent shimmer of beetles, dragonflies, and other winged wonders. Each of the luminous colour-shifting shades glows with depth and movement, inviting knitters to create light-catching garments with a soft halo and ethereal sheen. Shop the complete King Cole collection now, including King Cole Firefly Aran Yarn and Earn Loyalty Reward Points on all purchases. FREE Delivery options also available.