100% non toxic stainless steel ice pack! The body is made of 18/8 stainless steel, and it is filled with distilled water. 100% safe to be used in your lunch container or sandwich box next to your food.
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.
Handy for sore backs, bruises and bumps!