The Invincible heavy bags are a must-have for any training arsenal, suitable for kids, teens, and adults alike. Perfect for boxing, Mma, or general fitness, these bags are made from top-grade ballistic nylon and filled with shredded textile material and sand for optimal weight. Triple-stitched with rivets for durability, they feature four straps on top and a D-ring on the bottom for secure ground attachment. The bag comes with a heavy bag chain and swivel, offering full 360-degree maneuverability for punches, kicks, and combinations. Ideal for building strength, toning, and conditioning with an aerobic workout, it s great for ground and pound exercises. Available in 50lb, 70lb, 100lb, and 6ft Muay Thai bags, these are perfect for both home and professional gyms, in various sizes and colors.