Variable weight capacity 0 to 35 pounds Adjust the weight to match your strength level and training goals. This allows you to tailor each session for better effectiveness and steady progression. Ergonomic design handle An ergonomic silicone handle provides a comfortable, secure grip during exercises such as swings and squats. The design helps reduce hand fatigue and improves stability throughout your workout. Leak proof construction The bag features a tightly sealed mouth to prevent sand from leaking during use. This keeps your workout area clean and minimizes mess. Multi functionality Ideal for a variety of home workouts, including strength training and endurance exercises. When not in use, it also serves as a convenient storage bag for small items and accessories. Use scenarios Home strength progression: adjust the weight from light to heavier as you improve technique and power, focusing on swings, squats, and related movements. Endurance and circuit training: incorporate varying weights into short, intense rounds to build cardio capacity alongside strength. Organization and portability: store small fitness accessories in the bag when not training and keep your workout area tidy.