The identifier most commonly refers to the ES Robbins EverLife High Pile Chair Mat , a heavy-duty office accessory designed for thick carpets. Review: ES Robbins EverLife High Pile Chair Mat (124154)
: It features the AnchorBar cleat system , which users and retailers like Nordisco note holds the mat firmly in place without damaging carpet fibers or being sharp to the touch. 124154
: According to Costco , it is rated for users over 200 lbs, making it suitable for "Big and Tall" office setups. Cons: The identifier most commonly refers to the ES