Set of 4. Now Designs' Disko round placemats are ideal for indoor or outdoor use, formal or casual dining. Each placemat measures 15 inches in diameter and is made from neatly woven polypropylene. The round shape of these placemats gives them a versatile, modern look that will coordinate with a variety of indoor or outdoor decor styles. These placemats are ideal for protecting your tabletop surfaces from spills, dents and scratches.