Yes4All Deluxe Vinyl Coated Dumbbells (Sold in Pair) - Multi Weight Size & Color Available PAIR OF TWO SOLID CAST IRON CORE DUMBBELLS: Constructed of high-quality solid cast iron core to add more durability & stability. Will not break or bend after repeated use INNOVATIVE ANTI-ROLLING HEXAGONAL DESIGN: Special shape prevents rolling when setting them down to stay in place for a safe workout environment COLOR-CODED DUMBBELLS WITH NON-SLIP GRIP: Colorful PVC coating for easy identification, ensures a non-slip grip and provides protection against calluses IDEAL FOR TOTAL BODY WORKOUT: Great to use in any fitness class or program to tone and sculpt your arms, shoulders & back, including cardio for higher intensity 1 YEAR WARR  60 DAY RETURN: Our Neoprene Dumbbell stands up to 1 YEAR warr or if you think its not for you, contact us and receive your money back within 60 days of purchase Improve cardiovascular health Increase muscle mass Burn calories by raising heart rate Increase bone density, decrease risk of fracture Improve muscular endurance