Sublime Organic Cotton DK is entirely natural and untreated - it has been grown organically without the use of pesticides and gently dyed using environmentally friendly products. The subtle shades create a calm and tranquil mood. Feel safe in the knowledge that this is the most reassuringly gentle and soft yarn, against your babies' delicate skin. Sublime introduces Organic Cotton yarn, with amazing pattern support in "The Simply Sublime Organic Cotton DK" book.