Hula Hoops are great fun and fantastic for improving your core muscle tone strength, plus can help with weight loss. The xQMax Hula Hoop comes packaged in a small box, and is easily assembled by simply clicking & turning each section together. They are ideally suited to adults and from age 6+ and weight only 540 grams boxed with a diameter of 90cm assembled. The hoop has moulded ridges on the inner circle. The reason for this is that as the ridge passes over your abdomen area it applies extra pressure to the area which enhances fat burning Main Material: PVC Plastic Presented In: Coloured Box • Package dimensions (L x W x H): approximately 31 x 19 x 8cm