1.U-tip Pre-bonded Hair Extension 2.With all cuticle aligned, ... Quality Silky Straight V-tip Pre-bonded Human Hair Extension U-tip Pre-bonded Hair Extension Type Hair extension/pre-bonded ... your demandWeight 0.5g/strand, 0.75g/strand ,1g/strandColor #1, #1B, #2, #4, #6, #8, #10, #12, #14, #16, #18 ...