Boxing Bags: Get a fitness punch bag. Home Workouts: Perfect for using at home to reach your fitness goals. Storage Savvy: Can be easily folded and put away in storage. Features: An inflatable sandbag that can be filled with water or sand to add extra weight so it will stand steadily on the ground during a workout. Size: Inflatable height: 150cm. Material: Made from PVC. Fitness Punch Bag | Sand | Living Social