Gikpal 3 Pack Hand Gripper Strengthener, Silicone Hand Grip Strength Training Adjustable Resistance 30-50 Lbs Arm Hand Exerciser Non-slip Gripper Strengthener for Athletes Pianists Kids Ergonomically designed to fit small to large hand sizes; Light, Medium and Heavy resistances from 30lb to 50lbs which can be shared with your families and friends. Excellent exercise equipment for men and women, young and the elderly with soft and colorful grips. Increase strength for injury rehabilitation therapy, warding off arthritis, carpal tunnel syndrome, tendonitis, and for athletes and musicians working on excelling in their sports and instruments. Nothing to break,elegant design with finger indentations provides secure grip, adjusts to fit small or large hands, gives you the best pressure distributions while you squeeze the grips. Come in 3 different colors. Black, Red, Blue;Light and portable,fits your purse or even a pocket. Ideal size for easy travel, so you can workout while you are at work, gym and home; Also makes a perfect gift idea! Lifetime guarantee.if you're not 100% satisfied with your hand grippers or if it doesn't hold up for you forever, we'll replace it free of charge - no questions asked. So just buy with confidence.