Four fingers grip strength ring, designed for grip strength, and split-finger training, is used to exercise hand strength, different pounds are optional and can be suitable for rehabilitation training, relaxing fingers, professional exercise, and other different people. One-piece indentation design, no transverse gear, comfortable grip. Small rows of dots on the bottom design, are non-slip and comfortable, while the bumps can massage the palm points to relieve fatigue. Use high elasticity silicone material, with good elasticity and, a comfortable feel, The main component of silicone is silicon dioxide, it is soft, safe and non-toxic, chemically very stable, and not afraid of dirty, not afraid of greasy, direct water washing. Measuring 3.94*3.86 inches, this custom four-finger silicone grip ring. 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.