• Materials are strictly selected, free of phthalate and lead etc harm contents to human. It is healthier and safer in your daily exercise
• Premium solid integrally cast iron inside with soft touch neoprene coated, no smell
• Textured surface makes it is easy and comfortable to grip, don't slip out when sweaty
• It has a bit flat to stop rolling away on the floor, easy storage
• The soft neoprene surface is superfine processing, easy to clean. Never fade or crack in your daily exercise