The Friendly Swede Hand Grip Strengthening Stress Relief Therapy Squishy Balls - Set of 3 Finger Resistance Exercise Squeeze Eggs RELIEVE ANXIETY & STRENGTHEN GRIP: These colorful fidget balls in three levels of progression (20 lb - 30 lb - 40 lb resistance) helps you focus, relieve stress and train hands and wrists FRIENDLY DESIGN: Egg shaped for a comfortable fit in your hands. Made of thermoplastic rubber (TRP). Three size options - for anyone in the family! XS: 2x1.3 Small: 2.5" x 1.75" Large: 3.0" x 2.2" PERFECT FOR: Preventing tension, increasing limberness and alleviating joint pain. Great distraction while quitting smoking. Incremental muscle training for beginner powerlifters. Anti-stress toy for kids. EXERCISE GUIDE: Scroll down for grip exercise ideas! Always consult with your physician before beginning any exercise program for rehabilitation purposes. The Friendly Swede is here for you every day of the year and happy to help answer ANY questions you may have within hours. Contact: http://amzn.to/1AmGlj8