The PERK by Ecovessel is the perfect portable container for hot and cold brew coffee or iced and loose leaf tea, since a convenient strainer is included. Take it a step further and use as an effective ice dam to keep those ice cubes away from your pearly whites. It is designed for one-handed use, with a push button that opens the top, and a lock to keep your drink leak-free. Enjoy “perking” up your day with easy, dribble free drinking. The signature TriMax® Triple Insulation ensures that whatever drink you put in stays the optimal temperature for 36 hours cold and 8 hours hot!