1、Improve balance and coordination - Hemispheres can be used to help improve balance, coordination, tone, blood circulation and posture. Regular use of pods is an ideal way for your child to have fun while staying in shape! 2、Multi-purpose - This massage ball is very suitable to stimulate the child's imagination, can be used as an interesting springboard to promote play and exercise. For adults, it is ideal for strengthening exercise, yoga routine, treatment, strengthening basic strength, foot pain, etc. 3、Safety and sustainability - The balance ball is strong enough to withstand the use of people of all ages. Made from durable 260 grams of environmentally friendly PVC, these balanced pods are safe, durable and flexible enough for children to exercise in adults. 4、A variety of ways of use - The pod has a hedgehog-style touch bruise, can provide better grip, balance or playability, smooth bottom to ensure stability. You can use the dome of the box up or flat side up to provide different levels of difficulty. 5、Options - There are different colors for you to choose from. 6、 Material: Plastic Size: about 16.5cm in diameter Function: acupressure, muscle exercise Scene: Adult gymnasium, home and other fitness exercises, early childhood activities, sensory exercises, etc. Ability training: manual brain, other ability training, hand-eye coordination, parent-child communication, interactive toys Package included: 1*Durian Ball Massage Mat (does not include pump)