Level up your training with this 4-piece steel plyo box set in 12", 18", 24", and 30" sizes. Designed for progressive workouts, each box features a powder-coated steel frame with a trapezoidal shape for stability, supporting up to 500 lbs. Non-slip silicone surfaces and rubber feet ensure secure footing during jumps, step-ups, and more. Ideal for athletes of all skill levels, this set is easy to assemble and stackable for compact storage when not in use.