Self-Guided SMART 3-in-1 Soft Plyo Cube - 20” x 24” x 30” | Prism Fitness Group (400-150-055)

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Prism Fitness Group Self-Guided SMART Soft Plyo Cube - The SMART Soft Plyo Cube from Prism Fitness Group is a six-sided, variable height plyometric training box Made in the USA of high-density foam and commercial-grade vinyl used for plyometric jumps to improve explosive power, vertical velocity, and lower body strength. The 3-in-1 Smart Foam Plyo can be used at 20, 24 and 30 heights by simply turning the cube from side to side, saving your facility space and the user valuable training time. The cubes landing surface on each side is dense enough to ensure a solid landing over and over again throughout high impact jump repetitions. At the same time the cube is soft enough to safely prevent shin injuries from missed foot plants or slips that typically occur when tired or distracted on traditional wooden plyo cubes or metal plyo boxes. Use this American-made soft plyometric cube to perform forward jumps, lateral jumps, step ups, knee raises, push-ups, and high lunges. The self-guided exercise chart printed directly on the vinyl surface provides the user with safe and effective exercises to enhance their training routine even when a trainer is not present. The Prism Fitness Soft Plyometric Jumping Box is the perfect fitness training tool for fitness education applications, athletic training, cross-training, health clubs, and hospitality settings.

Don't stare at your training tools, wondering what to do with them. Exercises may be obvious to a personal trainer, but the rest of us need help and reminders, which is why Prism Fitness Group has launched the Smart family of Self-Guided Fitness Products. Multiple exercises on each product guide users through an effective workout program. The Prism Soft Plyo Box features the innovative SMART Self-Guided Instruction on one side to take the individual or family through a comprehensive and safe workout at home.


  • Proudly MADE IN THE USA
  • Commercial-grade product can be used in any environment
  • Foam block construction with high density urethane inner core
  • Solid landing surface retains its shape no matter where the user lands
  • Allows the user to train safely without compromising the integrity of the landing surface
  • 22 oz commercial-grade vinyl covering (as compared to many competitors who use 18 oz vinyl)
  • Hand sewn with 1/2 seams (as compared to 1/4" industry standard seams)
  • Covered zipper for safety
  • Tackier exterior helps prevent slipping of cube on smooth ground surfaces in commercial settings and creates a better platform surface to stick the landing
  • Features 9 different exercises printed directly on one 30 side to guide the user through the workout
  • Height markings with direction arrows in yellow clearly indicated the 20, 24, and 30 inch heights for the user while maintaining a clean look
  • 1 year warranty against manufacturer defects


  • Product dimensions: 20" x 24" x 30"
  • Product weight: 32 lbs.
  • Shipping dimensions: 21" x 25" x 35"
  • Shipping weight: 43 lbs.


By Josh McIntyre, Certified Sports Performance Coach

Box jumps help build explosiveness and work on deceleration. For first step explosiveness and quickness, go from a dead stop, jump, explode up, jumping as high as you can. There is also the added benefit of deceleration, which is a technique used to slow you down and stop, instead of just abruptly stopping, which is really hard on the joints.

Build Up to Box Jumps
Start with step-ups. When you are comfortable, progress to single leg jumps (8-12 reps, 4-5 sets, 2-3 times per week). When those become easy, try the lowest height of your plyo box for box jumps.

Jumping How To
Start with a quarter squat position (also called the power position) to load the hamstrings, quads, and glutes. Reach the arms strongly behind you to load the upper back and chest. When you jump, throw the upper body into your jump, so instead of just using your legs, youre propelling your weight with your upper body.

Land Softly
If you can, land softly and silently and slow down the eccentric part of the movement as you are catching your body weight on the box. This technique works on your muscles used to decelerate and protects you from injury when stopping. Stand upright on the box to move through full hip extension.

Step Off The Box
Step off the box rather than jumping down for safety reasons. It is not necessary to perform multiple box jumps in succession as fast as possible. There is no benefit to just bounding up and down as fast as you can. It is too hard on your joints and it poses too much risk for injury.

Safety First
When performing box jumps for the first time, have mats around the sides of the box and a spotter in case you dont make it. If you dont make the jump, fall forward rather than backward. Also make sure the area around the box is clear.


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Self-Guided SMART 3-in-1 Soft Plyo Cube - 20” x 24” x 30” | Prism Fitness Group (400-150-055)
Self-Guided SMART 3-in-1 Soft Plyo Cube - 20” x 24” x 30” | Prism Fitness Group (400-150-055)