Dimensions: W10cm x D10cm x H0.5cm each ice pack. A set of 3 flexible, reusable ice packs to pop on top of your packed lunch to help keep it cool and fresh until you're ready to eat. Great for keeping sandwiches and salads chilled all year round, they are invaluable during hot weather. They are food safe and can be placed directly onto food. They are washable (by hand or with a damp cloth), non-toxic and can be re-used. Freeze, use and re-freeze.    For best results, use inside an insulated cool bag.