ã€Hula Hoop】- Hula hoop not only reduce the waist, but also strengthens inner core muscles of the body to improve posture and reduce risk of back problems. ã€High Quality】- Premium Hula hoop constructed with PE padded plastic and foam material to ensure you have the most comfort possible while you workout. That contains 8 detachable parts which make it easy to carry it during transportation. ã€Sport Hoop】- A great workout accessory to improve stamina and build up intensity training for sports, fitness training and general exercise. It helps to improves coordination, endurance, cardiovascular fitness and burn highest levels of calorie. ã€Application】- Helps to the mobility of the spine and hips, helping to ensure the joints remain flexible. A great choice for Gym, Fitness, Weight Loss, Gymnastic, Cross Training and Strengthening, Exercise, Workout, and other sports. Maximum diameter: 90cm Weight: 620g Package: 8 knots How to install: 1. Align the buckle position 2. Rotate after insertion 3. Rotate until the buckle is closed to complete the operation