The Crochet Locs human hair is also known for its durability. The hair is professionally and specially woven at the end, making it not easy to fall apart. This means that the hairstyle can last for a long time with proper care. Our new design crochet locs with curls can make your hair look more natural. Hair Details: -Hair Texture: Crochet Locs -Hair Color: Natural Black ( #1B ) -Last For 6-8 Weeks & Can Be Reused 1-3 Times -Healthy, Thick, High Quality -Each Bundle/ Pack Contains 100 Grams -Free Gift: Latch Hook*1, Rat Tail Comb*1, Edge Control Brush*1, Hair Clips*2 How many loc extensions pcs do I need for a full head? The average amount needed is 40-70 Pcs. However, this estimate can vary based on the density and thickness of your natural hair, as well as the level of fullness you desire.