4 1/2 x 4 x 3/4″ Re-Freez-R Brix Cold Pack – 7.5 oz. (42/case)

Keep perishables at a constant and desirable temperature for days, or extend your shipping times. The ultimate in refrigerant packs.
• Leak proof, reusable and economical to use.
• Specifically formulated with food safe, non-toxic materials that stay colder than ice.
• Tested and shown to be the coldest and best gel refrigerant available.