The Cardio Cloud creates a softer jumping surface in seconds. Fits any Balanced Body foot plate! Ideal for those with sensitive feet, or ankle, knee or hip problems. The softness of the pad encourages full articulation of the feet, while the durable foam padding ensures better biomechanics for jumping. Completely covers the surface used during jumping, so no area is lost. The non-slip cover provides a secure grip, both for feet, and against the jumpboard. Its also removable, so you can replace the padding, and is easily cleans. Quickly slips over any Balanced Body jumpboard. The large size is designed for the Allegro, the Allegro 2, and the Jumpus Maximus.