To extend the life of all your RV dinnerware sets, kindly follow these simple guidelines; Do not use serrated knives on your RV Dinnerware sets especially melamine dishes. Kindly use a dishwasher to wash your RV dishes and clean them with a dry cotton napkin. Do not use harsh abrasive cleaners like CHLORINE BLEACH, steel wool or metal scouring pads on your RV dinnerware sets products. For safe scrubbing, use a light-duty white scrubbing pad. Before using your RV dinnerware set on a microwave, kindly check the manufacturer’s specification especially Melamine as they aren’t suitable for Microwave use.