Sweet Sweat® Arm Trimmers are made with Neo-Sweat Technology® and contoured to fit comfortably around your biceps during exercise while allowing enough flexibility for a multitude of arm workouts. Includes left & right arm trimmers and a mesh bag for washing or storage.The Sweet Sweat 'Toned' Arm Trimmers are a perfect addition to your workout gear to help you get toned arms. These arm trimmers provide thermal compression to the bicep area, which promotes an increase in heat and sweat during exercise, thus helping you burn more calories.