Talk about cool! This ice pack will keep any lunch cold and fresh. Put it in the freezer over night, and then drop it in your lunchbox in the morning. During daytime, you know your jello pudding will stay nice and firm because of this great ice pack. It stays flexible even when frozen. Contains clear, non-staining purified water and silver reflective backing provides and extra layer of insulation. Ice pack mat measures 6" tall, and 5.75" wide. Shipping Weight: 2 lbs.