The Sport-Thieme Freestanding Punching Bag: Durable and Flexible - The striking surface of the Sport-Thieme freestanding punching bag is made of robust polyvinyl chloride (PVC) with polyurethane (PU) foam filling. This flexible construction ensures a quick rebound during punch or kick training. Depending on body height and exercise, the freestanding punching bag can be adjusted to various heights. For perfect stability, the base can be filled with sand or water, making additional securing unnecessary. Height adjustment: Yes. Filling type: Water, Sand. Diameter: over 50 cm. Weight (filled): under 120 kg. Usage: Training. Product type: Freestanding punching bag. Outer material: Polyvinyl chloride (PVC). Inner material: PU foam. Color: Black. Dimensions: 180x56x56 cm. Filled weight: 118 kg. Filling material: Water, Sand. Height adjustment: 152-180 cm. Cushion dimensions: 180x56x56 cm.