PU Life Ring Stress Reliever is made of PU. The size is 3.2inches. It is in a shape of life ring. It is perfect for travel agencies, cruise ships, beach resorts and any business that wants to keep their customers- stress afloat!Great promotional items for ship company or related. Measuring 0.8 inch, this custom pu life buoy stress ball keychain. 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.