Description: 【Customizable Weight】: These sandbag come empty, allowing you to fill them with your preferred material to achieve the desired weight for your workout intensity 【Versatile Design】: Designed as adjustable arm straps, these can be used on both wrists and ankles, making them great for a variety of exercises including running, weight lifting, and general fitness routines 【Sturdy Construction】: Made from quality materials that ensure durability and longevity, these straps are built to withstand rigorous workouts without wear and tear 【Adjustable Fit】: The straps feature an adjustable design that ensures a secure fit for different body sizes, providing comfort and stability during exercise sessions 【Enhance Your Workout】: Ideal for adding resistance to your training regimen, these multifunctional weight bearing straps help improve strength, endurance, and overall fitness training Specification: Material: Breathable Mesh Size Chart: 24cmx23cmx3cm/9.45inchx9.06inchx1.18inch Package Includes: 1 Pair Empty Weighted Wristbands Note: Please allow slightly errors 1-2cm differences due to manual measurement.