... cooling gel sheet, fever cooling patch, cooling patch, ice patch,outdoor cooling sheet Size:4cm*11cm,4.5cm*11 ... headaches, or overheating, BBOO cooling gel sheets beat ice packs and iced towels cold. BBOO gel sheets lower ... place it. Because unlike messy wet towels and ice packs, BBOO comfortably adheres to the skin. Also ... and you're done. No constant trips to re-ice the towel. And, BBOO is safe to use ...