Color: #4 Dark Brown
Hair quality: 100% Remy Human Hair. You can comb, wash, straighten, perm, dye or curl just like your own hair. No tangle, No shedding.
Length:We offers 14-22 inch hair extensions to meet your needs.
Weight: 50g/100g per pack
100-150g Recommended for A Full Head
Texture: Straight, Natural Waves When Wet
Here is a video: How to wash and care for your hair extensions?