Size: 21*53cm Fabric: 12A canvas Made of high-quality materials, durable and practical. You can adjust the weight of the sandbag according to your own strength. High-quality fabric provides shock resistance and wear resistance, ensuring stability and durability. An essential accessory for weight training that helps build muscle and shape the body. Large capacity allows more sand to be filled, suitable for home or travel workouts. ENJOY A RANGE OF STRENGTH TRAINING BENEFITS: Training with sandbags requires constant control of shifting weight, helping to improve stability, strength, and overall athletic performance. VERSATILE TRAINING EQUIPMENT: Use sandbags to engage your core and target multiple muscle groups through various exercises such as lunges, deadlifts, squats, burpees, snatches, spider crawls, overhead presses, hammer curls, and more.