Description Usage Supplement Facts Recommended for probiotics, liposomal products and other heat-sensitive supplements. Keep perishables at a constant and desirable temperature during extended shipment times. The food-safe formula stays colder than ice to help ensure your products stay cool and fresh. Made with a food-safe, nontoxic gel formula that stays colder than ice. Easy way to extend the shipping time of perishables. Tough, leak-resistant packaging can be used over and over.