Simply slap the bracelet on your wrist, and it will form a comfortable fitted grip based on your wrist size. Made with durable metal cores inside and sealed with soft silicone, the slap bracelet is reusable, durable and can be worn for a long time. Great for party favors, children's prizes, classroom rewards, theme parties, easter, halloween, christmas gifts, and more. 8 15/32" L x 63/64" W