Desk hours turn active atop this 28 inch integrated wobble balance board, whose 3-level adjustable base raises rocking intensity as stability improves. Multi-layer solid wood supports up to 441 lbs beneath a slip-resistant surface, engaging core, ankles, and posture through workouts, yoga flows, and standing desk shifts. At just 4.2 lbs with a 5.4 inch diameter base, the board slides under furniture and travels to the office effortlessly.