Eliminate the need for plastic wrap by introducing reusable covers for leftovers batter and more. The lining prevents moisture from escaping and keeps food happy. Remove machine wash and repeat. Dimensions: DIA7.5in / DIA9.25in Material: Outer: 100% Cotton Lining: 50% Polyurethane 50% Polyester Care Instructions: Machine wash warm lay flat to dry. Do not microwave.