The Sensationnel RUWA SB 3X Pre Stretched Braid 36 Crochet Hair Extensions are perfect for creating a variety of stylish and versatile hairstyles. These extensions are made with Aquatex fiber from Kanekalon, making them water repellent, lightweight, and soft. The pre-stretched design saves on prep time, and the hair is pre-layered for a natural finished style. With a length of 36 inches (72 inches fully folded), these extensions provide the desired length for your desired look. They are tangle-free, easy to brush and separate, and are perfect for those with an active lifestyle.