Keep your medication at exactly the right temperature for 12 hours The iCool Weekender protects all your valuable supplies. Its stylish ergonomic design makes it the perfect case for men or women, as well as children, seniors, and medical personal. It can be attached to a belt, placed inside a purse or briefcase, or carried using the detachable hand strap. For vials or pens (insulin, growth hormones, L-Thyroxin, polyarthritis medication) Keeps your medication between 2 and 8°C for 12 hours Protective pocket for accessories Includes 1 large gel pack When used with the refreezable gel pack, the iCool Weekender can keep your medication cool for up to 12 hours. Ideal for: insulin growth hormones (Nutropin, Novotropine, Omnitrope, Genotonorm, Saizen) medication for polyarthritis (Enbrel, Humira, Forsteo) L-Thyroxin any pen or vial of medication that is sensitive to heat