This counter mat is designed to hold two sizes of signs and other advertising material: 8.5" x 11" which is standard paper size, or 11" x 17". These counter mats are great for placing on top of a table or counter in restaurants, customer service desks in malls and retail stores, health care clinics, car dealerships, and many other places! These counter mats act as promotional mats that can be placed right at the point-of-sale location. Because the mat can house standard paper, you can print promotional material using any available office printer and have your display up and ready in just a few minutes! To load your graphics, simply lift the corner of the mat and slide your sign in. The mat is constructed from rubber with an anti-slip backing so that it doesn't slide on any surface. The protective plastic covering is made of clear acrylic material and doubles as a writing surface so you or your customers can use it to sign documents and other items.