Stay hydrated in style with this custom 20 oz powder coated insulated tumbler. Respiratory Therapy Lungs with Succulents and Cacti . Great gift for any respiratoy therapist. Their name included with this design makes a truly unique gift. This is not a decal and will not wash off! It is available in 11 colors. Double walled insulation will keep your beverage hot or cold. Never lose your cup again!