Here is a dumbbell designed specially for glute and leg workouts. The TonerBum Dumbbell has an ergonomic design and lets you focus on toning your butt. It has 5lbs of weight. A 10lb version is also available. The TonerBum lets you perform donkey kicks, fire hydrants, deadlifts, swings, and other moves.
These dumbbells have a cute heart-shaped design for easy storage. They can also be used as a kettlebell.