Dumbbells are great for workouts but they do take some space, especially if you have lots of them around. The Wonder Maxi is a single dumbbell that you can adjust from 5 to 25 lbs. It has a space saving design and quick switch mechanism. You can switch the weight in 3 seconds.
This dumbbell has an anti-slip handle. It can be used for all your favorite exercises, including lunges, shrugs, and raises. You can find out more about it here.