Round Placemats Vinyl Placemats Plastic Placemats Wipe Off Set of 4 Red Celtic Knot Mats 15" round. Set of four vinyl placemats. Completely waterproof. Wipe off or put in sink under water. Protects your table in style. Long lasting and durable vinyl placemats. Kid friendly. These printed vinyl placemats look like Celtic Knots or Passementerie. Protect your table in style. Hand screened in USA.