Keep your lunch fresh and cool, wherever you go. This handy ice pack is the perfect addition to any lunchbox. Simply place the ice pack in the freezer at least 10 hours before use and add it to your lunch to keep everything nice and cool throughout the day. It is filled with a non‑toxic fluid, which makes it perfectly safe to use. Ideal for work, school, picnics or days out, this ice pack helps keep your lunch fresh, chilled and ready to enjoy.