These soft plyoboxes are designed to be less intimidating than steel boxes for the developing athlete. Standard 28”x28” blocks. 3” block is built with 2.2# density polyethylene foam, other sizes with 1.8# which provides stability, shock attenuation, and performance.
Boxes are secured for stacking with industrial stength Velcro and have a durable vinyl cover. All boxes are less than 28 lbs. and have two reinforced handles for portability.