Place your Freeze Sleeve™ inside the freezer in the provided bag (or any resealable freezer bag) for a minimum of two (2) hours. Your Freeze Sleeve™ may be left in the freezer indefinitely until ready for use. Your Freeze Sleeve™ will remain flexible even at -20°F (-29°C). Remove your Freeze Sleeve™ prior to defrosting the freezer.
Note: Always store your Freeze Sleeve™ in a sealed recyclable bag while in freezer. Turn down your freezer to the lowest setting to achieve maximum cold duration.
To heat, remove your Freeze Sleeve™ from storage bag. Microwave for 30 seconds, then hold your Freeze Sleeve™ firmly against the skin. Your Freeze Sleeve™ should feel warm to the touch not hot. Reheat in 10 second increments until the desired temperature is reached. All microwaves vary, adjust times accordingly.