Come and see our amazing products.The ankle/wrist weights is crafted from durable high-quality foam cotton and Lead core that comfortable and easy removal, sweat proof odor proof. Its waterproof performance and corrosion resistance are very good, even when you swim and sweat, it will not be damaged. In addition to 0.7lb heavyweight, we also have 0.9lb heavyweight, and 1.1lb heavyweight, you can choose the one that suits you best. Pls confirm further with us if any query about packing info, inventory status and time schedule.