Hoopnotica Weighted Adult Sized Fitness Hula Hoop 36"- 40" in diameter means two hoops in one! Beginner and Intermediate levels. Weight: 1.5 lb. Fitness Hoop (Optimal weight for beginning Hoopers for core & cardio workout) Burn 400-600 calories per hour hooping Low-impact workout tool that whittles your waist and tones & tightens your core Handmade with LOVE in the USA