Description100% brand new and high qualityFeatures:The waist won't fall off. Just adjust the size according to your waist circumference until the waist does not fall off. You can always rotate it.Smart Counting has a centrifugal ball that does not require a little force to achieve the same result. The ball provides a little force to the basket as it spins-let you dream of entering & icirc; "effortless" operation.Faster fat burning-2-3 times faster than normal. Increase waist strength for 30 minutes a day.Fitness buddies can help you track your fitness progressIt has a built-in smart counter that can calculate and store your exercise data (displayed on the LCD screen).Focus on the waist-this is an adult professional, a good tailor for weight loss, creating a sexy waistline.Specifications:Material: Nylon+PlasticNet weight: about 900gSize: 38x38x8cmSize: 60 ~ 140cm Suitable for the crowd: UnisexAge: over 16 years oldOriginal: CN (Original)Department name: Female modelsModel: Hula HoopFunction: FitnessNotes:1. Due to manual measurement, please allow an error of 0-1cm. Before you bid, make sure you dont mind.2. Due to the difference of different monitors, the picture may not reflect the actual color of the item. Thank you3. Do not use during pregnancy and menstruation.4. Do not use within 1 hour after meals.5. The ball weighs about 500g. Not for use by children under 8 years of age. Children under 12 years old should use it under the guidance of an adult.6. When you stop practicing to open the lock, first slide the ball to your waist or back to prevent the ball from suddenly falling on your feet and causing accidental injury.7. Don't spin too fast. Maintain stable and even exercise, relax the body and breathe evenly.