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UltraCruz® Gel Ice Packs, also known as Blue Ice Gel Packs, is a nontoxic, reusable, biodegradable, food grade gel refrigerant that will not liquefy, leak or spill to contaminate your product. Gel Ice Packs contain FDA-GRAS approved ingredients and are odorless and colorless. Each blue ice gel pack is packaged in tough, durable recyclable polyethylene wrappers with heat welded seams to ensure maximum resistance to punctures, tears and splitting. Product labeling is printed with ecologically safe, water-based inks.