- Stamina X Adjustable Plyo Box is essentially four plyo boxes in one. - It's a great tool for plyometric training. It's made of heavy duty steel and also a non-slip jumping surface. - It's very durable, it's got up to a 300 pound weight limit, so it can handle anything you can throw at it. Most of the time if you're gonna have four different heights of plyo boxes in your home gym, you're gonna have to have a place to put all of them, or you're gonna have to stack them up every time. With this one, you can buy one piece of equipment and you can have four heights. So whether you have multiple people working out at the same home who need different heights, or whether you just wanna change it up for your intensity of your workout or different exercises. This box can provide four different levels of plyometric training. - You can really do a lot of different types of exercises with plyo boxes, from plyo box jumps to step-ups, single leg squats. It also allows you to work your upper body with both push-ups and dips. - It has the ability to adjust from 12 inches, 16 inches, 20 inches and 24 inches. People get into their house, it comes in a box that's fully assembled. So when they pull it out, there's no fitting screws or anything, it's just ready to go. We think this is a really unique product to the market, that gives you four plyo boxes in one, that's perfect for your home gym.