Portzon Weights Dumbbells 10 Colors Options Compatible with Set of 2 Neoprene Dumbbells Set,1-15 LB, Anti-Slip, Anti-roll, Hex ShapeMore process perfectThe frame design after the multi layer process, equipped with anti collision safety materials, and the impact absorption angle structure can disperse severe impacts. More ergonomicThe handle is more comfortable to grip, and the non slip grip design is upgraded. The High quality material coating makes it gentle to grip and prevents calluses, during use, you will not feel uncomfortable due to sweating, so you can enjoy the charm of