Made with Neo-Sweat Technology Contoured & Flexible For Comfortable Workouts Textured Grid Interior Repels Moisture Premium Grade Latex-Free Neoprene Reinforced Trim & Lining Double Velcro For Extra Support Includes Sweet Sweat Wash Bag Size: 16"Length x 5.25" Width Sweet Sweat Arm Trimmers are contoured to fit comfortably around your biceps during exercise, while allowing enough flexibility for a variety of arm workouts. Includes left & right arm trimmers.