Butterfly Expander is a compact and efficient trainer that is perfect for developing many muscles. The expander got its name from its shape, which resembles butterfly wings. This multifunctional device allows you to work the thigh adductors, hamstrings, glutes, as well as the upper body — pectoral muscles, biceps, shoulders, back, and abs. Regular workouts will help add definition to your figure, improve contours, and make you stronger and more enduring. The trainer is safe, quiet, and covered with a pleasant soft material. The compact device is easy to take with you on a trip. Delivery across Georgia.