Features: Add more charm: These elastic hair scrunchies are designed with LED lights inside, and will emit colorful light at night, making you be the center of the party or crowd easily. Various styles to choose: The cool hair scrunchies are available in 5 styles, so you can choose your favorite one to match your suit, can go well with a variety of your clothes. Specifications: Material: satin with rubber band inside Color: as pictures shown Size: adjustable Outer diameter: about 10 cm/ 4 inches Quantity: 10 pieces Package includes: 10 x LED light hair scrunchies Notes: Manual measurement, please allow slight errors in size. The color may exist slight differences due to different screen displays. DIRECTIONS First, find the switch (inside the scrunchies) and remove the small paper jam from the button inside the hair ring. Then press the small round button to choose the light modes you like: first click is fast flash, second click is slow flash, third click is constant light, and fourth click will turn off.Sufficient Quantity: you will receive 10 pieces of light up hair scrunchies including 5 styles, each style has 2 pieces, with material, breathable and have no traces, also suitable to share with others. Certain Elasticity: the outer diameter is about 10 cm/ 4 inches, with good elasticity, can fit most girls' hairs, you can wrap around your hair 2 or 3 times according to different hair thickness, suitable for various hairstyles. Simple Usage: first, find the switch (inside the scrunchies) and remove the small paper jam from the button inside the hair ring, then press the small round button to choose the light modes you like, first click is fast flash, second click is slow flash, third click is constant light, and fourth click will turn off. Quality Satin: made of quality satin, which is soft and comfortable, with reliable rubber band inside, stretchable and elastic, can fix your hair well and will not hurt your hair. Glow in the Dark Scrunchies: these luminous hair scrunchies have 3 colors light modes that will make your hairstyle more attractive and charming, they are nice for neon party, glow party, Halloween, Christmas Party and so on.