This set of Plyometric Boxes are the perfect addition to any gym or workout studio. Included in the set are 4 different sized platforms. Plyometric boxes are excellent for improving explosive power and strength in the legs. Improve your jumping and sprinting ability using these and get the edge amongst your competitors. They are stackable for easy storage and the platform heights are 30.5cm, 45cm, 60cm and 76cm. Complete with non-slip rubber platforms for safety, this is a great value set.