Looking to step up your workout game? The Everlast Powercore 4FT Heavy Punching Bag is perfect for building strength and improving boxing or martial arts skills. Its Powercore technology absorbs impact and reduces swinging, while its durable construction can withstand tough training. The compact size is ideal for home gyms or small workout spaces. One of the standout features of the Everlast Powercore 4FT Heavy Punching Bag is its Powercore technology. The bag is filled with compressed sand, which provides a solid base for your punches and kicks. The sand filling reduces swinging and increases stability, allowing for better focus during workouts. The synthetic leather exterior is durable and easy to clean. Key Features Features metal rivets for security centre-aligned sandbag placement system for maximized force dispersion and hand safety. Double-end loop provides increased heavy bag functionality. Packed with a shredded rag for superior punch feel and shock absorption