Heartbeat 18 oz Steel Bottle Marine Biology & Oceanology recording data on the array

recording data on the array of microscopic life in today's pond water sample

or take botany notes in its pages

Arm yourself with 18 ounces of black coffee and crush your problem sets or let yourself get lost in some beautiful calculations without risking a cup of tepid brew

Brighten up your bathroom walls with a subtle reminder to wash your hands

Heartbeat 18 oz Steel Bottle Marine Biology & Oceanology recording data on the arrayStudy 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.