[Product Information]

• A better， more ergonomic shape that is easier to grip
• 7lb weighted Zobi perfect for both cardio and strength workouts
• Zobi's unique shape makes it more unbalanced & destabilizing thus more than 25% more effective than using a symmetrical weighted ball
• 300 calorie burning 30- minute workouts; mix and match 5 different workouts that include muscle conditioning， cardio， and core training
• Includes one， 7lb， sand filled Zobi， workout DVD， and workout guide