• Weight: 40 g. Smooth, soft, durable, natural, and similar to human hair. • Easy to secure with a hair elastic band and you can design your own hairstyle. • Adjustable size: elastic hair bun extension function with good elasticity and long lifespan. • Material: high-quality synthetic fibers that blend well with your own hair. • Washable scrunchie extensions, perfect for adding volume and fullness to a bun or ponytail. • Very comfortable and easy to use, suitable for different occasions such as parties, dances, shopping, yoga, weddings, and daily use.