TOPUNIQUE 20 Inch Deep Wave Pre-Separated Crochet Human Hair, 40g Invisible Knots Crochet Hair Extensions for Black Women Natural Black

["Pre-separated for Quick Installation:Each strand comes pre-separated, allowing you to achieve salon-quality feather extensions in a short time and greatly save your installation time","Invisible Knotless String Design:Features a color-matched invisible knotless crochet system for a seamless, natural look. It causes no pulling or irritation, and is completely undetectable even in close-up social situations","Durable & Reusable:Built for long-term use, withstands multiple installations and restyling with very little shedding or tangling. With proper care, it maintains elasticity, softness and shine for more than 6 months","Natural & Comfortable Styling:Made of 100% pure human hair with a soft texture and no unpleasant odor. It is non-damaging to your natural hair and blends perfectly for a super natural finish","Please note: The total gram weight per bundle remains the same. The longer the hair length, the higher the gram weight required for a full hairstyle. 40 grams is only suitable for adding volume and cannot be used to create a full, complete hairstyle"]