Onyx Ice Pack
Stainless steel ice pack! Another Onyx first.
This ice pack can be safely stored directly next to your food.
It freezes solid in about 2 hours, and it will keep your lunch cool for 4-6 hours depending on your lunch bag. This ice pack is also great for sore backs, headaches, bruises, and bumps!
18/8 stainless steel. Filled with distilled water. Non-toxic.