3pcs Hand Finger Grip Strengthen Resistance Exercise Squeeze Therapy Egg Balls Features: EFFECTIVE TRAINING MADE SIMPLE: Relieve daily stress and strengthen your hands, forearms and fingers with simple exercises SWEDISH DESIGN: Rubber-made egg shaped design 2.5" x 1.75" (6.3 x 4.4 cm), sized to fit everyone in the family. With a textured surface for a perfect fit in your hands. Made of rubber. INCLUDES 3 THERAPY BALLS: Three resistance levels included: soft (yellow), medium (red) and firm (blue). Find the perfect resistance for your needs THREE COLOR-CODED BALLS: The three levels also makes this a perfect tool for anyone in the family to use and great for progressive training GOOD FOR: Preventing tension, increasing limberness and alleviating joint pain The Friendly egg shaped hand exercise balls Keep your forearms, fingers and hands strong with simple exercises. Our egg shaped design feels great in your hands and with the 3 different resistance levels included you are certain to find just the right firmness for your individual needs. The exercise balls are made of thermoplastic rubber (TPR) and they will keep their original shape after being repeatedly compressed. They are easy to clean with a little dishwashing soap and lukewarm water. Note - always consult your physician before beginning any exercise program for rehabilitation purposes. OUR PROMISE TO YOU We are totally obsessive about quality and customer service - if you have any questions please get in touch and we will do everything we can to solve them. There 39;s a reason they call us "Friendly egg". Specifications: Quantity: 3pcs packed Material: thermoplastic rubber (TPR) Color: yellow, blue, red 3 resistance levels: soft (yellow), medium (red) and firm (blue). Size: 44 x 63mm(D x H) Package included: 3 x Therapy Stress Eggs Balls