Upgraded Treadmill Desk for New Working Style! This treadmill laptop holder would be a total enhancement to your work out experience, get your work done and burning off the calories at the same time! It's universal treadmill tray for laptop, fits treadmill handrails distances from 25" to 32". Large Desk Surface! Ample space for your laptop, track ball, notepad and a drink. With the size of 25.2IN * 34.65IN/64CM * 88CM, the treadmill laptop desk ergonomic platform tray with 2 cup holders and a tablet phone holder, the cup holder's diameter is 3.5 inches, you can put your water bottle or small things like keys and watches, and use your tablets or phones in the meantime while walking.