Gel Hand Balls for Arthritis Hand Stress Relief Hand Grip Strength Trainer 3 Pack Stress Relief Balls for Adults and Kids </p>3 Resistance Levels - The grip training ball set includes four balls, with four resistance levels:&nbsp; yellow ,Orange and green.&nbsp; &nbsp;Different people use different colors for different purposes.&nbsp; &nbsp;Perfect for the classroom, home or office, they're great for teachers, students and anyone else.</p> </p>Comfortable &amp; Safe Material - Egg shaped stress balls with ergonomic design and unique textured surface, for a comfortable fit in your hands.&nbsp; &nbsp;Made of skin-safe thermoplastic rubber (TRP), but do not have a strong rubbery odor.&nbsp; &nbsp;Completely safe for kids and adults.</p> </p>Portable - These stress relief toys set have a small size, storage in a small bag that is easy to carry, you can take it out to squeeze in anywhere when you want to do it.&nbsp; &nbsp;Such as walking, traveling (car, airplane, bus), in office, school, watching TV, phone calling or any place you want to exercise.</p> </p>Perfect For Children Of All Needs - Squishy stress ball relief is useful for all children and adults, suitable for office workers who need to type for a long time，patient who need rehabilitation training after injury and also suitable for sports-loving people rock climber wrestler or softball pitcher etc.&nbsp; &nbsp;Suitable for children, adolescents, all ages, including the elderly.</p> </p>Super Tear-Resistant - They are highly tear-resistant and will not break open, which keep it's original shape after repeated squeeze and stretch.&nbsp; &nbsp;It may become dirty after playing for a long time, at this time, you only need to rinse with warm water and detergent.&nbsp; &nbsp;After it dries naturally, wipe with talcum powder just like new.</p> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store