Product Description Acu Hoop - Stimulate your innermost muscles Directly stimulates core muscles The Acu Hoop series is one of our signature hoops with advanced patented wavy-ridged design. The wavy ridges provide concentrated force that intensely stimulates the core muscles. The wavy ridges work to stimulate your core muscles and tone your stomach, back, gluteus and hip muscles. The muscle stimulation intensity scales with the hoop movement; the more powerful Acu Hoop spin around your waist, the greater intensity. Lose weight and get a slim waist with the Acu Hoop 3L! Perfect for adult users for its weight and large diameter! Our weighted hoops are specifically designed to slim your waist, burn calories and fat, and promote overall weight loss. It also promotes spinal alignment due to the circular motion, which corrects for proper posture. Most importantly, it provides cardiovascular benefits. It also improves heart function, boosts your immune system, increases stamina, and increases your energy, endurance, and efficiency. The Acu Hoop 3L is ideal for adult beginners. A larger diameter is easier to use because it provides a larger centripetal force which allows the user to spin the hoop at a slower pace. The Acu Hoop 3L is a patented product with unique wavy ridges which works as a grip as well as stimulates and tones core muscles. It has a soft rubber foam padding which allows users to exercise comfortably. The 8 rainbow color sections are easy to assemble and disassemble, so that the hoop can be easily transported to your home, gym, or work. Sports Hoop Weight Loss Series: Acu Hoop 3L - 3.3lb (41 inches wide) Large Weighted hula hoop for adult and children weighing 100-160 lb. Soft rubber foam padding. Easy to assemble and disassemble into 8 detachable sections, Easy storage and transport. Made of a durable plastic core with a soft foam exterior for comfortable and fun exercise. GS certified. Weighted Acu Hoop ranges from 1.5-5 lb. The patented wavy-ridged design provides concentrated force that stimulates core muscles. Read more Acupressure - Waist Stimulation The wavy ridges work to stimulate your core muscles and tone your stomach, back, and hip muscles. The ridged design also works as a grip to help keep the hoop up on their waist. To intensify your workout, spin the Hoop faster around your waist to burn more calories. The smooth design allows you to exercise easily while enjoying the benefits of using a weighted hoop. Weight - Intense Exercise The weight of the hoop contribute to the intensity to the hooping exercise, the heavier hoop is, the stronger the stimulation. The weight also helps the hoop stays better on your waist. Diameter/Width - Stamina & Endurance The large diameters of the hoops help reduce the effort needed to spin the hoop. Longer hooping period prolongs your workout time and also corrects your posture and bodily curve. Sponge Cushion - Comfort The soft foam padding makes it more comfortable for new users, and protects skin and muscle from overuse. It also increases the area of acupressure which stimulates the muscle in larger area of effect so your exercise is more effective. Read more Easy to Master! - Start shaping your beautiful waistline! Sports Hoops are well designed and well tested for adult and teenager workout fitness. By following the instructions, 95% of the beginners learn how to use the hoop within 10 minutes. Play 10 minutes daily, trim your waist 2 inches and lose 4 lb. every month until fit. There are more than one million users using Sports Hoops as their major waist fitness equipment. The Sports Hoop is one of the best workout products in women's fitness clubs for weight loss and fitness. Read more Acu Hoop 3L Trim Hoop 4B Acu Hoop 5L Acu Hoop 4M Power Hoop 4B Trim Hoop 3B Recommended Users Adults & Children Adults Adults Adults Adults Adults & Children Recommended User's Weight 120 -160LB 140 - 180LB 180LB+ 140 - 180LB 160-220LB 120 -160LB Product Weight *Approx 3.0LB± 3.9LB± 4.9LB± 3.9LB± 3.9LB± 4.9LB± Diameter ~41in 8 sections(~41"); 7 sections(~35") ~41.5in ~40in ~41in 8 sections(~41"); 7 sections(~35") Pressure Acupressure Bumps Smooth Acupressure Bumps Acupressure Bumps Adv. Acupressure Bumps Smooth Body Parts Waist Only Waist Only Waist Only Waist Only Waist Only Waist Only Assembly Twist Lock with a secure button Button Lock Button Lock Button Lock Button Lock Button Lock Exterior Foam Foam Foam Foam Engineered Plastic Foam Color Rainbow Color Rainbow Color Rainbow Color Rainbow Color