Colors of Your Success: The Molecool Stress Ball offers a diverse and constantly changing sensory experience. When you squeeze or manipulate the stress ball, the movement of the larger, soft balls inside creates a dynamic and ever-shifting sensation. The multi-colored soft balls also enhance its visual appeal, making it suitable for those who seek a more substantial and visually engaging stress relief experience.Material: Thermoplastic Rubber (Tpr)Standard Decoration Includes: Pad Print On FrontAll Available Decoration Options: Pad Print: 1.25" DIA FrontStandard Packaging: Window Box