Onyx’s Stainless Steel Ice Pack is a great non-toxic option for keeping food cold as conventional ice packs can leach nasty chemicals and contaminate food.
Made from #304 (18/8) stainless steel and filled with distilled water, this is a safe and effective alternative.
#304 (18/8) Stainless Steel.
Length: 4 3/8” (11cm)
Width: 2 1/8" (5.4cm)
Depth: 1/4” (0.6cm)
Two hours in the freezer to freeze solid and will keep food cold for 4-6 hours depending on the container.