These aerobic dumbbells bring new life to the gym and look great in the home also. These aerobic dumbbells are excellent for rehab, body toning and sculpting, aerobics, walking, and other fitness activities. Each weight is dipped in brightly colored vinyl which makes them smooth, quiet, and rust proof. The vinyl dumbbells come in increments of 1lb, 2lb, 3lb, 4lb, 5lb, 6lb, 7lb, 8lb, 9lb, 10lb.