THICK AND DURABLE: Sturdy with 2.2mm thickness, more thicker. This carpeted chair mat is made of premium PVC material which prevents cracking or shattering, durable and reliable for long term use. EFFECTIVE GRIP: Studded underside holds the mat firmly in place on carpet floors. This desk chair mat with 3mm spikes is designed for Low and Flat Pile carpets. LARGE PROTECTION AREA FOR OFFICE CARPETS: The large carpet chair mat can expand the moving area of the office chairs and keep more area of the carpet free from scratches or dirt. And it can protect your carpet floor from damage caused by moving chair casters, and reduce wear and tear on your chair casters. TRANSPARENT DESIGN & EASY TO CLEAN: BesWin office desk chair mat with highly transparent finish, great in show beautiful carpeted floors and the clear design allows the beauty of your floor to shine through. Simple wet duster cloth is enough when cleaning is needed. ECO-FRIENDLY: The office floor mat is odorless, Free from BPA, phthalate, Does not contain any volatile toxins to keep a healthy indoor environment. BUY WITH CONFIDENCE: The rolled up package is easy to carry, But it is easy to flatten, just add as much weight as possible to the corners and it will flatten. If you are not satisfied with your chair mat, contact us directly.(even if outside the Amazon return window). BesWin large office chair mat protects your low-pile carpet and keeps your chair stable with a durable anti-skid surface. Premium PVC protects carpet while showing off its beauty. This 2.2mm thick mat safeguards your carpets from stains, dirt, casters, and heels so your floors will last longer. Molded cleats and studs hold the chair mat securely in place. Thick and sturdy plastic won't crack, chip, break, or shatter under normal usage. Anchor bars hold mat firmly in place on low-pile carpet. Not intended for use on hard floors. Ships fully assembled.