Comes in beautiful orange and grey color, this innovative adjustable multihoop hula hoop improves spine muscles, increases blood flow to brain and Yes! Yes! it helps you to keep you in shape too! Difficulty level increases with added iron fillings. The more the iron fillings are added, the faster the stubborn layers of fats can be broken down and burnt.For best results, exercise 20-30 minutes daily with this multihoop hula hoops, you will see evident results in a few weeks. While this exercise helps to relief back pains and shoulder aches, those with spine problems should consult a doctor prior to using the multihoops Product Color: Orange and Grey. Diameter 40" with 6 pipes or sections. 6 iron fillings are provided. Ideal for adult user weighting 120 lbs to 300 lbs.