Product Features:1.Hair tie material: elastic nylon.2.Hair tie size:1 inch in diameter (about 2.5 cm).3.Color:Black-colored Bamboo knot.4.Quantity: about 100 Pcs in bag.5.Suitable for toddlers, girls and adults with thin hair.Note:1.To avoid loosing elasticity, please do not stretch the hair band tightly for long time.2.Keep far away from babies, in case of them eating it.3.Because of long-distance transportation, it may cause some wrinkles on the bag.Thank you very much for your understanding.Quality assurance: 100% Money backIf you are not satisfied with our hair band.Please let us know at any time,we will resend a new one or return full money to you.