The Vevor aqua training bag adds unstable water resistance to help improve strength, balance, and core control during full-body workouts. Its adjustable design holds up to 70 lbs of water so you can tailor resistance to different exercises and fitness levels. Made from high-transparency PVC with a leak-proof valve and reinforced handles, it is built for durable, reliable use. The bag also folds down for compact storage and portability when emptied. Included accessories help make setup and training more convenient.