All extensions are soft, luxurious and full of body (no silicone coating) and has cuticles going in the same direction to prevent tangling and matting. All wefts are sewn tightly and reinforced to prevent shedding. The bundles are full (4 ounces (100 grams in weight), from weft to the tip, and frankly said; they are simply gorgeous! With proper home care, the extensions will last 12 months, not including normal hair loss. We recommend at least 2 bundles (packages) for a full head of beautiful extensions. Zion Hair Importers Clip Human Hair extensions allows for a quick and easy way to achieve your desired look and feel. Zion's hair offer individual wefts of hair extensions that are attached to polymer coated clips. The polymer clips are very comfortable and don't pull out strands of hair when they are placed. Each strand of pre-bonded Keratin Tipped & Micro-Ring Indian Hair is 0.5 grams and comes in bundles of 25. Our extensions are not processed in acid and will tolerate just about anything you can do to it. With proper home care, they will last approximately 6-to-7 months, not including normal hair loss. We recommend at least 200 strands (8 bundles of 25) for a full head of beautiful extensions. Indian hair is highly regarded in the hair industry because of its natural durability and flexibility; it offers the best styling options because of its natural wave pattern. We gurantee you'll save at least 40% off our extensions as compared to other retailers.