ProSource Set of 2 Neoprene Dumbbell Coated for Non-Slip Grip, 1 lb-12 lb TONED MUSCLES - Great for use in any fitness class or program to tone muscles, including cardio for higher intensity NON-SLIP GRIP  Colorful neoprene coating ensures a non-slip grip and provides protection against calluses VARIETY  Comes in wide range of color-coded weights for gradual progression - ideal for at-home workout programs. NO ROLLING  Hexagonal shape prevents rolling when setting them down to stay in place for a safe workout environment. CONVENIENT  A range of dumbbells help maintain fitness without a gym, and the compact size stores easily.