Hand Exercise Balls by Purple Penguin with 3 Additional Pencil Grips, 3-Pieces Grip Exerciser Equipment Increases Hand Strength at Work, or at Home. Relieves Stress by Squeezing. Grab Yours Now! STRENGTHEN YOUR HANDS - 	Improve your grip with these Hand Exercise Balls! Designed to be egg shaped in order to fit and work and type of hand size without straining the hands too much, unlike round shaped balls. The resistance of these balls have been optimized for sufficient but comfortable hand and wrist workouts, that you can do anywhere, anytime! PERFECT FOR RELIEVING STRESS - These balls are perfect for healthy stress release. In the office, when swamped with work, or when you're having a bad day and you get home. Just squeeze away, and feel your stress drastically lessen. Don't allow negative emotions to bubble up inside you while passively accepting every curve ball life throws at you. De-stress in a healthy and productive manner with these exercise balls! PREVENTS HAND AND WRIST INJURIES - These exercise balls work well in avoiding common hand and wrist injuries like carpal tunnel syndrome as well as tendonitis. Injuries such as these are most commonly found amongst desk job workers, and video game players, and they can cause a great deal of pain. Don't let this happen to you, exercise your hands today! INCLUDES BONUS PENCIL GRIPS - This 3-pack set also includes 3 pieces of pencil grips for your everyday writing needs. These are practical for writing with significant amount of comfort, so that you can write for extended periods of time. Perfect for students and office workers alike, this product is ideal for any family to have. With this pack of exercise balls, you get these pencil grips absolutely free! MONEY BACK GUARANTEE - We only care about your 100% satisfaction. If you feel this product didnt live up to your expectations, let us know and we promise a 100% money back guarantee.