Choose from available sizes. Hourglass shaped dumbbell. Neoprene construction. Can be used for a variety of workouts. Think of it as a simple tool that gets the job done: the ProForm Neoprene Dumbbell takes you another step toward your ideal shape and tone. These are made with a neoprene coating over a metal core. Select a weight option. Note: includes one dumbbell.Size Options:2 lb.: 6.5L x 1.75 diam. in.3 lb.: 7.5L x 2.65 diam. in.5 lb.: 7L x 2.25 diam. in.8 lb.: 8.25L x 3.75 diam. in.10 lb.: 8L x 3.25 diam. in.