Material: ABS 30 adjustable knots Suitable for waist within 160 cm approx. Massage effect for relaxation Burns calories ideal for weight loss Easy to carry to gym, office, or park Want to inculcate healthy physical activity in your daily life that will also help in weight loss? Who doesn?t! So get this smart weighted hula hoop and burn fats in a fun activity. You don?t have to go to the gym or the park to use this, but it can be ideally used from the comfort of your home. It is equally useful for men, women, and children. What you?ll get: Fat burning exercise: The weighted ball attached to the hoop, when it slides across your waist, speeds up the fat-burning process. Your whole body works to ensure the hoop doesn?t fall, which helps you lose weight. Adjustable: The size of the hoop is adjustable. You can increase or decrease the number of knots attached to it as per your waist size and use it conveniently. Multi-use: Whether you are at the office, at the gym, in the park, or in your house, using this smart weighted hula hoop is a breeze. It is also ideal for post-natal recovery for women. Massage effect: The knots of the hoop have spring massage particles that, when sliding on your body, create a massage effect and help you relax. If applicable, kindly send a message after your purchase indicating your choice of variation. For instance: color, size, or type ?