Hair Material: 100% Human Hair, Unprocessed Hair, Peruvian Virgin Hair
Hair Grade: 7A Grade Unprocessed Virgin Hair
Hair Feature:
1. 100% Virgin Human Hair
2. Soft ,Smooth, Gloosy, Full Cuticle, Double Strong Hair Weft
3. Steam processed,no chemical
4. 1B / Silver Grey Hair, No Shed, No Tangle, No Smell, No Knots, No Lice
5. With Thick Bottom, No Short Hair. Can be Curled, Straightened
6. Hair Durability: At Least 8 Months
7. 100% Top Hand Selected Human Hair 
8. Large Stock and Prompt Delivery
Hair Weight: 100g/pc (3.5oz/pc)
Hair Color: Two Tone Ombre Hair Natural Black Color #1B / Silver Grey Hair
Hair Length: 12"/14"/16"/18"/20"/22"/24"/26"/28"/30"
 
How many pleces hair for one head? 
Normally 3 pieces are enough for a full head. Because the weight of all the bundles is constant, the shorter pack is thicker than the longer one. This is reference to tell you how many bundles you need.