Heartbeat 18 oz Steel Bottle Physics plan your research

plan your research

and on the reverse are handy charts of chemical characters and symbols in use for centuries by chemists and alchemists alike

Right before the fireflies come out

take notes on Sigmund Freud

meteorology

Heartbeat 18 oz Steel Bottle Physics plan your researchStudy your cardiac rhythms while keeping hydrated! Nicer looking than an EKG pocket guide, this Heartbeat Flask is both functional and aesthetic. Fill it with ice cold water and take it to the gym for your cardio workout, or top it off with coffee for a long night shift in the cardiac ward. With a textured design for a unique tactile experience, this flask will keep your drink hot or cold until you're ready to enjoy it.