Stamina's PlyoBox is a steel X-shaped bench with 4 adjustable heights, perfect for anyone looking to increase explosive power or improve their ability to fight zombies through plyometrics training. Incorporating a PlyoBox enables users to perform a wide range of plyometrics moves at varying levels of difficulty, including lateral jumps, eccentric forward jumps, and single leg hops. The box measures 39" long x 21" wide and grows from 12" to 16" to 20" to a peak 24". It features a non-slip surface pad for a safe grip when landing and requires no assembly. So, whether you're looking to make giant blue goose eggs appear on your shins or simply get faster and more powerful, the Stamina PlyoBox is the perfect tool for the job.