Good material: made of PP, the fidget zipper bracelet is nontoxic and sturdy, can easy to wear on your wrist and hard to breakBright color: each zipper bracelet consists of 2 colors as pictures show, which makes them vivid and colorful, we provide you around 10 colors bracelets, various colors can attract children's attention and give more sensory impact; Notice:Color is randomly sentProper size: these zipper bracelet are in approx.7.5inch, right size for most kids' wristsMultipurpose bracelet: you can use it for killing time, reducing stress, focusing attention besides regarding them as bracelet,also it is a great gift for kids and adults with ADHD, ADD, Autism, and anxiety.Wide usages: cute gifts set for party favors, birthday parties, camping trips, Halloween, school classroom rewards and so on