ADJUSTABLE STRAP - The Phoenix Fitness Wrist Weights come with an adjustable strap so it will be fastened securely to your body. Burn more calories without any extra exercises.ONE SIZE FITS ALL - Sold as a pair, these ankle weights are one size for any sized person. Suitable for children and adults, with a neutral unisex design for both women and men.APPLY TO ALL EXERCISES - The ankle wrist weights can be used on almost any exercise and cardio so you can add resistance to your training and make your body work harder.EASY TO USE - Ideal gym equipment as running weights, walking weights and fitness classes. Tone your legs and butt by wearing these ankle weights regularly.BUILDS STRENGTH - Increases definition and works both upper and lower arms, and upper and lower legs toning and tightening your calves, thighs, hips and glutes.