The Adjustable Wrist Ankle Weights by bullpiano are designed for unisex adults who engage in activities such as gym training, weight lifting, or running. Made of silicone material in a sleek black colour,. Perfect for aerobics, pilates, or any other fitness routine, these wrist and ankle weights add an extra element of challenge and intensity to your workouts, enhancing your strength and performance in various sports and activities. weight 1lb x 2