SO HAPPY WITH THIS PRODUCT! I already had a treadmill and have been looking at treadmill desks for a while and kept coming back to this product. I got it 3 weeks ago and spend about 75 minutes a day doing office work in the morning. Normally I would sit in my cozy chair sipping coffee but now I walk on the treadmill and have already noticed my body feels stronger. My posture is actually better. My energy has improved. My husband put this together and it took him about 1 hour. The desk adjusts to different heights. Very stable and does not rock or wiggle when typing. I am very happy with my purchase. Large desk space. Saw some criticism for how large the desk is but when I spread out all of my work stuff I need the room. Worth the investment.