With adjustable weight and loads of innovative features, the Powerhoop Deluxe is the World's Most Advanced Fitness Hoop. Trim your waist and strengthen your core with Powerhoop. Note: If you have a history of back trouble or recent surgery, are pregnant or on blood-thinning medication, please do not use a weighted fitness hoop before consulting a medical professional. Although the Powerhoop Deluxe is suitable for most adults, the "Powerhoop Slim" Fitness Hoop may be a more suitable choice for beginners, teens and sensitive users.