Delta McKenzie Speed Bag 24”The Delta McKenzie Speedbag 24 delivers serious stopping power in a versatile mid size package. Rated to 525 FPS, it handles the fastest crossbows and vertical bows on the market without blowing through. At 24"x24"x10", it gives you a larger shooting face than the Speedbag 20 ideal for longer distance practice or when you want more target real estate. Two shootable sides with multiple target spots and high contrast graphics keep your sessions fresh