The rear 2 corners are probably 2-3 inches off the ground while I sit on it, and 0.5-1 inch off when it's just the chair

Too small for me, it prevents my chair from being stuck in the carpet, but only allows like 2 inches of movement before i fall off

First off , this should not be labeled as a computer chair mat... a regular computer chair will not work with this mat, less then an inch on the sides for movement...

Too small for me, it prevents my chair from being stuck in the carpet, but only allows like 2 inches of movement before i fall off

To top it off, one of the corners is slightly drifted upwards about 1/4 inch off the ground making it easy to

The edges warped all around so that all sides are 1 to 2 inches off the ground

After 2 months it started curling up around the edges, as much as 3 inches off the ground

the only positive I can give is how it was shipped, being that it wasn't rolled up.