Level up your training with the PRx Stackable Soft-Sided Plyo Box - it's comfortable and adjustable, so you can train safe and steady. Stack 'em up to the height that's right for you; they come with Velcro to keep them together, plus handles for easy hauling. Training with this box helps you get explosive with less ouch - you'll barely feel the landing! Make the most of your time and stack up body-rockin' results. Get ready to raise the bar on your workouts!