The ultimate bag for fast, accurate striking. The Kara F6 punching bag trains your speed and endurance like no other punching bag. Made from high-quality, hand-sewn Mayahide leather and extremely durable, these speed bags will last you thousands and thousands of punches. The included extra swivel is made from High grade HG-Steel™ for exceptional strength and attachment stability, and the 3 cm strap loop is extremely secure with a nylon lining while the 4 rivets ensure the strap is snug in its place. Give your fighting skills speed and rigorous endurance with the Kara F6 Speed Bag. Durability, resilience and longevity- High-quality steel swivel that can be attached to many surfaces, made from extremely tough Mayahide leather. Double-layered, double-stitched and riveted for unbreakable durability. Designed to optimize hand-eye coordination and striking speed, not only for boxers, but also as a speed ball for MMA. Easy to clean, reusable and easily repaired, the front stitching allows you to open and access the internal parts of the bag with ease.