Hand Over Dyed Wool by In The Patch Designs Collection. Wooly Charms are 5″ squares of 5 different felted, hand-dyed wools. Each hand-dyed wool colour is one recipe, over-dyed on 5 different wools. When it’s over-dyed, you get colour variations great for shading & definition. Each wool pack will vary according to what wools are currently available in the market. Let your creativity soar! They are great for penny rugs, appliques & other imaginative designs.