Material: High Quality Synthetic Fiber Double Ended Dreadlock Extensions Hair Length:24 Inch Double Ended Dreadlock Extensions, Weight: 24 Inch-7g/strand; Width: 0.6cm Available Colors: #1B/27,#1B/30,#27/613,#Gray/white,#BD,#613,#1B/Purple. Usually 20-30 Strands are enough for a full head.