This mat was essential for my home office after I had new carpet installed. The wheeled office chair just dug in to the pile of the carpet making it very difficult to roll when getting in or out from behind the desk. This mat allows the chair to roll and will not damage the carpet. The delivery was fast and free.
i WAS VERY DISAPPOINTED IN THE CHAIR MAT. IT HAD A FLAW IN IT AND IT WAS SHPIPPED BOUND WITH A STICKY TAPE AROUND IT THAT TOOK A LOT OF TIME TO REMOVE AND SEVERAL DIFFERENT CHEMICALS TO FIND OUT WHAT WOULD REMOVE IT. IT WAS SOLD WITH THE STATEMENT IT HAD A LIFETIME WARRANTY ON IT. BUT NO INFORMATION WAS INCLUDED WITH THE PRODUCT ABOUT THE WARRANTY. VERY POOR SERVOCE ALL AROUND.
This is the perfect size chair mat to use at a workstation. My carpet is 3/4" which is in the range for medium pile carpet but wish I would have ordered the high pile carpet mat. There are dimples left in the mat even when the chair is empty. The quality is good though so it should hold up as described.
My chair sinks into the mat when you sit for awhile in one place more than I would expect (I only weigh about 160 pounds). The indentations do disappear after a while after the chair is moved. This isn't a big problem as long as the mat holds up well and doesn't crack (I've only had it about a week).
Its not for medium pile. I measured my carpet like the website suggested with the paper clip. It isnt a medium pile mat. I had a low pile mat that kept moving so I ordered a medium pile mat. The extensions that hold onto the carpet are shorter than my original low pile mat. This mat a bit heavier than my original moves just the same. Not worth the money.