Set includes 6", 12", and 24" Soft Impact Plyo Box. You can add the 18" Soft Impact Plyo Box to the set, we leave the 18" Soft Impact Plyo Box out of the set because 18" can be made with the 6" and 12", most people add the 18" so they can achieve a total height of 60".
Absolutely the best! MDUSA Soft Impact Plyo Boxes are made from high density foam and covered with 18oz.vinyl. The bottoms and tops are 30 oz. non-skid vinyl. Each box has two handles for easy repositioning and Velcro flaps for stability when stacking. Stack any combination together for desired height. SStandard stock color is all Black. Limited stock of Red, Yellow, Blue, and Gray body with black top are available. Heights available are 6 inch, 12 inch, 18 inch and 24 inch;. All boxes are 30 inch X 36 inch.