Boinks Fidgets - Sensory Fidget Toy for Focus and To Relieve Anxiety Stress, Nylon Mesh With Marble for Adults and Children Fidgeting fun for the kid in all of us while it improves focus at school, home, work Calming effect for those with OCD, ADHD, Autism or other high sensory needs Ends sealed to securely hold marble inside 3.5 inches long Made in USA, Durable, Machine Washable, Air Dry, Packable