Using this item to expand your Brand. Using our blank Rainbow Brain stress ball. This stress ball as a giveaway item is a no-brainer. These fun and science-forward tension relievers are great for relaxing your muscles and calming your mind in a pinch. Take them anywhere from work to school to events and be prepared for people to ask where you got yours from. Order yours today. Contact us to get a free quote today! Made from pu material, measuring 3*2. 25 inches, this custom foam rainbow brain stress ball. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: Portable, durable, practical for daily use. This Foam Rainbow Brain Stress Ball is ideal for your promotional needs. Suitable for promotional giveaways and OEM and ODM support. Available in bulk quantities for corporate buyers. Reliable lead times ensure timely delivery.