Don’t let the brainstorming for a new promotional product drive you crazy; Every squeeze will improve focus, increase strength, and soothe the mind. Relax your mind and body with your new stress ball. Made from pu material, measuring 4.13*2.17 inches, this custom water bottles 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: BPA-free, leak-proof, travel-friendly.