Slimbells 18lb Compact 2 in 1 Adjustable Neoprene Dumbbell Set. 2, 3 and 4 pound slim design dumbbells allow you to hold 2 in your hand at a time for more combinations Twice the weight combinations of a standard 18 pound weight set Combine 2, 3 and 4 pound weights in your hand to create 5, 6, 7 and 8 pound weights. 18 pound compact set replaces 70 pounds of conventional dumbbells! Slim neoprene coated design is much more comfortable to hold than standard weights Perfect for any exercise program.