Leap into action with the ETHOS(R) 3-in-1 Plyo Box, designed with a unique 3-sided construction that allows you to choose from a 16'', 20'' or 24'' landing surface for varying levels of intensity as you increase explosive power. Unique 3-Sided Design Versatile design provides three different heights for a variety of plyometric movements 16'', 20'' and 24'' heights allow you to customize your workout Ideal for use as an assistance or landing platform Total Body Training Plyometric movements activate the body's fast-twitch muscle fibers to increase explosive power Helps to improve vertical leap, speed and agility Additional Details Jigsaw-fit plywood with 40 Philips head screws for easy assembly Dimensions: 16'' L x 20'' W x 24'' H Weight: 30 lbs. Click here for additional information relating to the Manufacturer's Warranty.