Blue Burst Decorative 4 Pack Poly-Cotton Blend Placemats. Each Placemat measures 18” x 12” and is rectangular in shape. Constructed of a Poly-Cotton Blend that is machine washable and dryer safe. Each placemat is printed with a beautiful design. Durable Poly-Cotton Blend can withstand daily use. Created to protect your surfaces from scratches and stains. Placemats are an easy way to change the look of your kitchen, dining room, or outdoor eating area.