Enjoy the same benefits while seated too. Elevating the feet while seated aligns the back and hips and helps reduce pressure on the thighs. Great for use at home, work, on airplanes or when dining out. Foot rest height measures 4" (10cm). Folds to a compact 8-1/2" x 4" x 3/4" (22cm x 10cm x 19mm), and can be slipped into a purse or large pocket.