Squeeze Balls Hand Therapy - Stress Balls for Stress Relief Pain Relief - Grip Finger Exerciser Set of 3. SAY GOODBYE TO HAND PAIN. Set of 3 squeeze balls with different resistance level - 1 yellow(soft), 1 pink(medium), 1 blue (hard). Suits everyone's needs - kids, adults or seniors. STRENGTHEN YOUR GRIP, HAND, FINGERS, FOREARM. You can progressively increase resistance level, or even squeeze 2 therapy balls at once. RELIEVE THE STRESS, SPEED UP HAND INJURY RECOVERY. Work great for stress..