The very first stainless steel ice pack. The body is made of 18/8 stainless steel and is filled with distilled water, ensuring it is safe to stay right next to your food to keep it cold.

This is the small version, meant for keeping your lunch fresh. It freezes solid in about 2 hours, and will keep your lunch cool for 4-6 hours, depending on your containers and your lunch bag. Also perfect for sore backs, headaches, bruises, bumps - you name it.

Size: 4.5" x 2.25"

Care: Dishwasher safe.