24/21/18/12 Knots Fitness Smart Hula Hoop Detachable Hoops Lose Weight Sports（18 Knots） The product is shipped based on the color or size of the main image of the product page. Size:18 Knots Features1. It is suitable for men, women and children.Suitable for the waist and turn the waist for a long time, does not fall.2. Can be used in a variety of applications, for post-natal recovery, office sedentary, and hoops are also suitable for sports advocates.3. The hoop exercise can quickly consume body fat and eliminate fatigue.SuggestionThe hoop can be composed of sections, which can increase or decrease the number of slides on the main body to adjust the waist size.24 sections suit for your whole family and friends.Material:ABSColor:Pink12 section suitable for waist is less than 60cm;18 section suitable for waist is less than 90cm;21 section suitable for waist is less than 100cm;24 section suitable for waist is less than 130cm.Note1,Product sizes are measured by hand, please carefully compare the size when purchasing.2,Please allow 1-3cm differs due to manual measurement.3,Due to the different display and different light, the picture may not show the actual color of the item.Thanks for your understanding.4,The sport hoop ball does not contain fillers, please fill it by yourself. the user can change the number of weight-bearing blocks in the weight ball according to their own bearing,For beginners, it is recommended not to exceed 200g.