Description:Sport Hoop 24/27/36 Section Smart Sport Hoops Adjustable Transmission To Home Abdominal Sports Equipment For Adult TrailersFunction:1.Adjustable knot count: the number of knots can be adjusted to your waist circumference; Smooth bearing: durable.2.Slimming massage: Through the 360 rotation, the waist muscles are evenly stressed, you would become thinner and thinner. Not falling in circles. Getting started is easy.3.Sandbags Weight freely configurable: The weight of the sandbags is freely configurable (delivery without sand, equipped with screwdriver, can be loaded with sand by unscrewing the sandbags).4.Great gift: Sports weight loss tires are suitable for all people of all king levels, from beginner to expert. It is suitable for people with different body types. The weight loss Smart Weighted Fitness Hoop is perfect for adults, children and outstanding people.5.Friendship Guarantee: We welcome to provide each customer with the best possible customer service to ensure you have an adopted shopping experience. If you have any problems, questions or need help, feel free to contact us directly.Speciality:Housing material: ABSProduct colour: pink, purple, blue (optional)Product Specification: 24 Neck, 27 Neck, 36 Neck (Optional)Product packaging size: approx. 252 x 252 x 78 mm attachment 9.92 x 9.92 x 3.07 inchGross face of product: approx. 630 g; 680g; 870 gNote:Due to the different monitor and light effect, the actual color of the item may differ slightly from the color shown in the pictures. Thank you very much Please explain 1-2 cm measurement deviation due to manual measurement.