Rubber Coated Dumbbells . Sizes are clearly marked on the rubber ends of each dumbbell. Hex Shaped: The hex dumbbells is specially shaped that it shouldn’t roll on the floor if it’s dropped. Features: A Great Set of Dumbbells for Home and Commercial use . lighter weights for cardio or any kind of workout that needs Lighter weights (as low as 5-LB) up to heavy body building sizes (Up to 100-LB). Rubber Coated: These dumbbells are covered with rubber-coded and marked on each end for easy weight identification . also protect your floor not to get scratched if it gets dropped. Handles Steel chrome handles with a great and comfortable grip Contoured Chrome Handles with metal dots . Designed to Fit Comfortably in the Palm of Your hands Perfect Set for Enhancing Your Daily Workout.