Sales unit: 12 rolls of sewing thread in a beautiful mix of colours. Length: per roll 1,000 yards (approx. 914.4 m) Strength 40/2 (corresponds to strength 140) Material: 100% polyester. Color set 1: - pink - dark blue - yellow - black - green - cream - taupe - pink - orange - red - royal blue - white Color set 2: - white (2 pieces) - black (2 pieces) - red - Light Blue - dark blue - cream - Gray - royal blue - pink - pink