- Keeps Cold Lunches: A perfect way to keep your child's lunch cold and fresh throughout the school day. Put it in their lunchbox to keep their favorite meals fresh for when lunchtime arrives. The cold pack is also a great accessory for camping. - Simple Instructions: The 3 Sprouts ice pack is easy to freeze. Put it in your freezer for an hour to cool down. The ice pack stays cold for up to four hours. The ice pack is reusable and perfect for food that needs to be kept cold while traveling. - Cute Animal Designs: Each pack comes in an animal design including owl, lion, bear, and more. Both adults and children will love using the ice pack over and over again! The container design will surely adorn your child's lunch bag with style. - Dimensions: 12.5x12.5 cm