Fun and effective exercise for your core and pelvic floor muscles with the Hula Hoop! Research shows that just 13 minutes of hula hooping a day reduces waist circumference more than 10,000 steps of jogging. Its contoured inner surface activates the metabolism, burns high calories, burns dangerous visceral fat, develops balance and coordination and improves posture. The extra 2.1kg weights of the ring add extra power to the spin and the wavy relief of the rim gently massages muscles during exercise. Order yours now and start the fun!Product details: Weight: 2,1 kg 6 pieces Diameter: 100cm Highly effective form of training Easy to assemble Scientifically proven effectiveness