FISTRAGE Speed Ball Swivel Fixed Punch Bag is made up of top-grade Microfiber Artificial Leather, reinforced seams and robust lacing, the FISTRAGE Speed Ball is built to last your multiple training sessions. Premium Microfiber leather for extreme durability Balanced design with long-lasting bladder for optimal rebounds during fitness trainings Reinforced stitching; riveted and layered to unbreakable perfection Excellent Value for Money, The FISTRAGE Speed Bag with Swivel Punching Bag benefits from a shaped and balanced design. Assuring optimal rebounds and fast recoiling the FISTRAGE Speed Bag helps to develop lighting fast reflexes, along with improving promptness and hand-eye coordination during Boxing and Fitness Training session. The long-life butyl inner bladders allow the athlete to meet any of your speed bag boxing and fitness training needs.