The TITLE Wave Water Heavy Bag offers the most realistic, life-like and incredible training experience in the world. Constructed of super durable marine-grade PVC vinyl rubber that are crafted for professional gym use to last for years and years. Unique design allows harder punches and strikes, alleviating excess stress on the wrists, elbows, shoulders and joints. The H20 water filling helps keep the bag more stable during training, reducing swinging or excess movement during workouts. Helps build stronger punches, increased power and peak stamina. The more narrow cylindrical shape is ideal for perfecting precision punches, throwing jabs, straight shots, power shots, hooks, uppercuts, overhand shots, angled punches, knees, kicks and more. Easily fills with water in minutes. Includes steel hanging chain, steel spring hook, fill tube with standard hose attachment, and screwdriver to remove and secure fill cap. Ships unfilled.