[Product Information]

• PACKAGE INCLUDING 3 THERAPY BALLS: Three resistance levels included: soft (RED)， medium (GREEN) and firm (BLUE)， DIA:2.25". Find the perfect resistance for your needs!
• MATERIAL:The exercise balls are made of thermoplastic rubber (TPR) and they will keep their original shape after being repeatedly compressed.
• HAND THERAPY & RECOVERY:Prevents stiffness，increases flexibility，relieves joint pain，reduces stress and eases muscle tension.
• DAILY EXERCISE BALL KIT:It's good fordaily strengthening and keeps fingers， hands and forearms strong and supple.
• 100% QUALITY GUARANTEE:100% money back or a free replacement if you have any hassle with the item.