FLYBIRD 4 in 1 Multifunctional Dumbbell SetFlybird Adjustable Dumbbell Set comes with dumbbells, barbells, kettlebells, and push-up stands, which allow you to perform bench presses, squats, and more. It is easy to use and it has several combinations that you can use depending on the workout you wanted. Unlike fixed dumbbells, they don't take up much space and can be easily stored.
