Take your training to the next level with the Stamina X Adjustable Height Step-Up Exercise Plyo Box.Designed for the strong-willed athlete, this plyometric jump box can help you accomplish your training goals: noticeably faster speed, more powerful strength, quicker agility, swifter agility, and split-second explosiveness. Elite athletes and professional trainers use plyometric training because it's known to develop those core attributes that establish a competitive edge. The adjustable plyo box uses the core muscles of both the upper and lower body in unison, creating a powerful movement that builds strength and endurance.With this adjustable plyometric box, get free access to muuv, the intelligent audio coaching app muuv that helps you reach 500 plus monthly exercise minutes, covering cardio, strength, and flexibility for a healthy life. The app includes assembly videos, customized workouts, and ad-free music through iHeartRadio.It comes assembled, and with 4 different height settings available to increase the intensity of plyometric training, the Stamina X adjustable height workout box will provide a more significant challenge as your performance goals progress. The box's surface is durable and slip-proof, so you don't have to alter your performance.Take your fitness goals up a notch with this Stamina X Adjustable Plyometrics Box.