6PcsHand Grip Set Strengthener Finger Exerciser Resistance Band Carpal Expander For Relieve Wrist Arthritis Pain Trigger Finger(Grey) Specifications： Material：Silica gel Color:Gray The dimensions are in the picture below Package included： D-shaped grip*3+Finger Stretcher*3 Features： ◆Made of top-quality Silicone, not easy to tear. It is WASHABLE and can be use frequently and comfortably. ◆strengthen your wrists, improve the dexterity of your fingers and increase the strength your hands can apply while reducing fatigue. Its rally value is from 6.6 to 50 lb. Help balance your grip muscles and your expanding muscles. ◆Great for rheumatoid arthritis, arthritis, carpal tunnel, tendonitis, tennis elbow and are on the way to recover from a fractured or broken wrist, or when you type, text or any other activities which use your gripping muscles.