Assorted Color Marble Hand Massage Balls (1.38X1.38X1.38in)：Note: Slight color differences may exist between batches. Made of premium marble, these compact balls are easy to carry. Rotating them massages fingers and palm acupoints, relieving muscle tension, stress, pain, and hand discomfort. A great supplement to massage or physical therapy—perfect for killing time when bored. Color & Size & Material: Assorted marble patterns, 1.38×1.38×1.38in, natural marble – cool to the touch, smooth polished surface. Acupressure & Muscle Relief: Rotates to target palm acupoints and finger muscles – ideal for office workers, gamers, or anyone with hand fatigue. Portable Stress Buster: Keep on your desk, in your pocket, or in your car – a discreet way to relieve stress during meetings or commutes. Physical Therapy Companion: Complements treatments for carpal tunnel, arthritis, or tendonitis – improve hand strength and flexibility. Unique Desk Accessory: Doubles as a decorative paperweight – add a touch of elegance to your workspace while caring for your hands.