Thick durable neoprene coating provides a comfortable grip. Great for use in any fitness class or program to tone muscles, including cardio for higher intensity. Comes in wide range weights for gradual progression - ideal for at-home workout programs. From 1lb to 10lb Pairs. Hexagonal shape prevents rolling when setting them down to stay in place for a safe workout environment.Maintain your fitness program and build strength without going a gym. Various sizes available.