Yes4All 13 lbs Dumbbells Neoprene with Non Slip Grip &ndash; Great for Total Body Workout (Single, 13 lbs) SOLID CAST IRON CORE: Constructed of high quality cast iron core to increase durability, toughness and stability. Strong construction will not break or bend after repeated use NON-SLIP NEOPRENE COATING FINISH: Thick durable neoprene coating provides a comfy grip on hands and doesnt require gloves, plus it reduces noise and protects your workout area COLOR-CODED DUMBBELL WITH INNOVATIVE ANTI-ROLLING SHAPE: Color-coded dumbbells with printed weight number on each end cap for easy identification while special hexagonal shaped heads prevent rolling away from the storage place or during your floor exercise GREAT FOR TOTAL BODY WORKOUT: Ideal to tone and sculpt your arms, shoulders and back, strengthen muscles, build stamina and speed up metabolic rate 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