• Includes 20 stress balls with smiling faces and bright colors. • Made with hypoallergenic PU material, safe and non-toxic. • Ideal for relieving anxiety in children and adults. • Useful for relaxing hand muscles and alleviating carpal tunnel syndrome pain. • Perfect as a gift for various occasions, classroom prizes, or birthday parties. • Dimensions of each ball: 5.2 cm in width, height, and length. • Total weight of the set: 0.1 kg.