This perfect heavy-duty bag is engineered to allow your full potential to be tested. Ideal for punching, elbows, knees and kick workout, to help you achieve maximum performance from a heavy boxing bag. It comes with commercial-grade straps and deluxe swivel, allowing it to be a perfect centerpiece of a gym. D-shackles are lined with nylon webbing. Features Commercial grade Vinyl Inner foam lining for a softer feel Rag Filled Reinforced stitching at stress points Industrial strength nylon webbing 45cm Dia. approx. 50-60 kg Important Note: Read the Equipment use guideline before installation or use.