For that special nurse in your life.  Make sure she stays hydrated while she administers IV fluids to her patients.  
These tumblers hold 20oz of hot or cold refreshment in a double-wall, vacuum insulated, BPR free, 304 stainless steel container with a sliding splash proof lid.  They will keep your choice of beverage cold for up to 24+ or warm for 8 hours.
 
Make it personal by adding a name too (see Personalized Section to add to cart with you tumbler selection)