Item No:DB-21 Material:vinyl Size:5KG/pc,10KG/pr Item No:DB-21Material:VinylSize:5KG/pc,10KG/prColor:red,blue or as client's requirementsThis dumbbell is vinyl dumbbell, with high quality and enjoy a certain reputation. It's easy to carry and exercise. In the exercise time, it can effectively increase the arm strength,this is a rare sporting goods. Vinyl Dumbbell