The Everlast Bag features a durable synthetic leather casing designed to endure the rigorous wear and tear of your daily workouts. A specially formulated filler comprised with a mix of sanitised synthetic and natural fibres provides optimal shock attenuation minimising the risk of injury and stress on your joints punch after punch. It can be easily hung from the straps and an anchor loop at the bottom helps improve stabilisation. Bring out your inner Rocky and develop your cardio fitness as you land blows on the Everlast Core 4FT Heavy Bag.