ES Robbins® Floor+Mate® All-Purpose chair mats are ideal for hard floor surfaces and medium pile carpet (up to 0.75" including padding). Enjoy a smooth rolling surface that enhances your ergonomic comfort while protecting your floors from scuffs, scrapes and chair caster wear. Floor+Mate® chair mats have a vinyl grip backing and no sharp spikes! Mat Type: Chair Mat; Application: Hard Floors to Medium Pile Carpets up to 0.75" thick (including padding); Width: 36"; Length: 48".