Rapid relief cold pack disposable instant snap & shake is unlike other instant cold packs, ours allows you to place the cold pack directly against the skin without the need for a wrap or towel. Gentle touch technology allows direct to skin application. The cold pack instantly achieves 35 degrees Fahrenheit when activated at room temperature. It is convenient and portable, for use anywhere at any time. The FTP technology allows easy activation by folding in half. The ice packs are 4" x 6", 50 per case