The Reebok Toning Adjustable Ankle Weights in Green are a set of two 2.5 lb ankle weights filled with iron sand. The durable fabric material weights have a maximum weight capacity of 5 lb each, making them ideal for gym training, weight lifting, and running. Featuring an adjustable design, these ankle weights by Reebok are designed for unisex adults looking to enhance their fitness routine with added resistance during workouts.