Blonde Micro Bead Hair Human Hair Specification 1. Type: Microlink Hair Extensions Human Hair 2. Texture: Straight 3. Material: 100% Human Hair 4. Length: 14'-24' 5. Weight: 1g/1strand, 50g/pack.We recommend 2-3 packs for adding volume, and 3-5 packs a full head. 6. Hair Life: 3-6 Months (with good care) Advance of Microlink Hair Extensions 1. Micro bead hair extensions are easy to add to your hair as compared to others products 2. Micro bead hair extensions do not require any heating substance like glue or solution - this helps in reducing the chances of damage to scalp 3. Micro bead hair extensions are easy to remove 4. Applying micro loop hair extensions is not time-consuming 5. Micro link hair extensions give you the best look and great volume 6.