The mat preserves the freshness of fruits and vegetables in your refrigerator. Due to its unique structure the mat enables air to circulate under the vegetables and fruit thus maintaining the freshness for a longer time. The mat also serves as an absorbent layer preventing the formation of mould in your refrigerator draw. US FDA Approved Food.The mat can be cut to size to fit any sized draw. Can be machine washed in a cold water washing machine when dirty.