Unique & Custom {11" x 17" Inch} Set Pack of 4 Rectangle &ldquo;Non-Slip Grip Texture&rdquo; Large Reversible Table Placemats Made of PVC Plastic w/ Nautical Seashell & Ship Design [Colorful Blue, White & Tan] USES: Keep surfaces in your household safe from spills, stains, dripping and condensation. WARRANTY: This product comes with a lifetime warranty that is guaranteed by the manufacturer. MATERIAL: This product is made of only the best materials available to the manufacturer. CLEANING & WASHING: You should never wash a placemat using a dishwasher. May occasionally need cleaning. If you need to clean your placemat, rinse in cool, clear water and air-dry. OTHER USES FOR PLACEMATS: Placing placemats on the shelves in fridges makes cleaing so much easier.