ES Robbins Floor+Mate All-Purpose chair mats are ideal for hard floor surfaces and medium pile carpet (up to 3/4″ including padding). Enjoy a smooth rolling surface that enhances your ergononomic 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 Floor to Medium Pile Carpet up to 3/4″ (including padding); Width: 46″; Length: 48″.