deflecto CM11442F 46 x 60 Clear EconoMat Occasional Use Chair Mat for Low Pile Economical, protective vinyl chairmat prevents wear and tear and extends carpet life. For occasional office use on carpets up to 1/4" thick, Low Pile/Commercial Grade. Choose a higher pile chairmat if daily usage is over 4 hours. Easy-glide rolling surface provides effortless chair movement. Studded, protective vinyl, no bevel chair mat for low pile carpeting Made for low pile carpeting Maximum clarity and transparency, allowing the beauty of carpeting to show through Textured top surface is slip and scuff-resistant Unique notched stud design grips carpet without piercing or harming carpet backing