The 4 Inch Ties: 1 Black, 1 Blue, 1 Green for organizing computer cords, headphones, charging cables, securing plant stems and branches The 6 Inch Ties: 1 Black, 1 Blue, 1 Green are great for organizing power cords and electronic cables, hair dryers, and kitchen appliances The 12 Inch Ties: 1 Black, 1 Blue, 1 Green are just right for toys, art supplies, rope, small power tools, and sporting equipment Silicone: Have a flexible steel wire core with a tough silicone rubber exterior that wont scratch or puncture your items; Each tie is terminated with a soft silicone bumper on each end Easy to Use: Can be twisted to form any desired shape; Wrap and secure anything; reusable, 3 colors, loads of fun