1.Convenience-Weight 2.05LB,no wish to fill water or sand,saving it slow and your hands will likely be clean!
2. Little-Just a little bigger than a tennis ball,save space,easy for storage.
3.Excellent revel in:Anti-winding design,and we use the High Quality ball which is best than others.
4.Easy to hold:May also be carried with just one finger.
5.Economic:Iron base,longer lifespan.