1 - 15 lbs each dumbbell. Dumbbells are coated with neoprene and color coded according to weight. 12 pair set includes a 12 pair dumbbell rack. Dumbbell rack is made of steel and powder coated white. Rack measures 21 inches x 27 inches on the floor, and 51 inches tall. Nice compact dumbbell set for home, office, gym, or aerobics studio!