Jump into Plyometrics! Take your workout routine to new heights. Plyometric jump boxes are an important piece to any training regimen, perfect for adding speed, stamina, and strength. Add inches to your vertical as you train over time! They're made to help beginners and serious workout enthusiasts alike. Many Workout Possibilities! Start your training with a basic box jump and slowly progress to more challenging workouts. You'll be doing box jump marches, single-leg stands in no time. The workout possibilities are endless, from box dips and step ups, to difficult single-leg jumps and more. Repeat your exercises using higher boxes or create a sequence of boxes to push your skills. Get crafty with your workout by changing body direction in midair or by doing lateral jumps.Why You'll Love It:This set of jump boxes includes five sizes of boxes: 12", 18", 24", 30", and 36." Each box is 25 mm wide, an extra durable fully welded frame, and fabric-covered top for a safe, quality platform. When you've finished your workout, stack each box on top of the other and place them into storage.