SKY BLUE: Premium quality soft cotton produced in the UK! How awesome is that!! This string is single twist so it's ideal for brushing out to form tassels and feathers. The diameter of this cord is 4 mm. Spools are sold by weight: 0.5kg spool (approx. 100 m). Notice to buyers: due to individual computer monitors, the colour may vary slightly from that seen on screen. Thank you for your understanding. Shipped next working day via courrier (3-5 working days). Plastic free packaging. Thank you for supporting small businesses!