Bobbi Boss Brazilian Deep Twist African Roots Crochet Hair is a professional line of 100% flame retardant premium synthetic fibre. It has bold, natural-looking curls that are lightweight and provide full volume. Each pack of 10" long hair is perfect for achieving a complete head of hair with only 2-3 packs. Soft to touch and yaki in texture, this crochet hair is a great choice for a lightweight and natural hairstyle.