Adjustable Weights: The wrist ankle weights come in pair, each wrist weights built in 8 blocks, and 5 blocks are removable and detachable, please adjust the weight and weight spacing according to your need.Adjustable Size: Fully adjustable athletic elastic band and ultra-strong velcro make the bangles a perfect fit for men, women and kids. And the stitching and materials will hold up over time, it is not easy to be loosened or fall off during exercise.Premium Comfortable Material: The recyclable steel is wrapped in baby-soft silicone. The skin-friendly silicone not only gives you a smooth and comfortable wearing feeling, but also protects your skin from hurt. The durable and high-quality silicone is waterproof, sweat-proof, odorless and easy to clean, you can wipe it with a wet tissue when cleaning.Innovative and Safety Design: The concise style appearance satisfies your daily wear, the unique safety edge avoids harm to you, it will change your life and sports style. It is a perfect gift for the stylish workout enthusiast, perfect for office, home, gym, or travel use.More Efficient Fitness: This pair of wrist and ankle weights provides constant and hands-free resistance to your workouts and daily activities, increase strength training intensity, improve various workouts effects like walking, running, jogging, dancing, barre, yoga, pilates, cardio, aerobics, toning, hiking, gymnastics, weight lifting, boxing, swimming etc. Building muscle strength, improving balance, endurance, stability, assisting physical therapy, burning calories and loss weight.