The desk is very lightweight but once you put something on it (like a computer or some books) you don't really notice.  It stays put fairly well, but it's somewhere in between an old card table and a solid wood desk.  The instructions are good and easy to follow.  Everything fits together well.  

Also, I would really recommend against ordering this if you're on the west coast.  I ordered 2 desks a few weeks apart, and both desks arrived looking like they had been to hell and back.  One was missing all of the hardware and one had damaged parts.  Wayfair was great about replacing parts, but it was still a hassle and took forever.  The desk is packed in the cheapest cardboard imaginable, so it's hard to even blame FedEx, it's just very poorly packaged. 

Overall, the desk meets my needs, is the perfect size, and was well-priced.