Squeeze Away Stress! 🥳 Crafted from high-quality PU for long-lasting use. 6.3 cm diameter fits comfortably in any hand. Each ball features motivational quotes to keep you going! Ideal for therapy, exercise, or just plain fun! Perfect for all ages, from kids to office warriors. Colorful & Fun Grip Strength Training Mental Health Boost JEWJIO Motivational Stress Balls are designed for stress relief and mental health awareness, featuring inspirational quotes and made from durable PU foam. With a comfortable size of 6.3 cm, they cater to both adults and kids, making them perfect for various applications including hand therapy and grip strength training.