Beautifully designed, steep and sip your favorite teas anywhere, anytime. This tumbler cup is equipped with a removable infuser basket and a convenient opening that prevents leaks or spills. this Inner Clay Tumbler With Strainer makes brewing loose tea on-the-go simple and convenient! The innovative design allows you to brew tea (whether loose leaf tea or a tea bag) and stop the infusion process without having to remove the tea from the mug, preventing over-steeping! Keep your tea hot for hours with this tumbler. It is spill-proof and leak-resistant. Your beverage will stay hot for longer! Enjoy your tea on the go, in style! Experience the brilliance of this Inner Clay Tumbler With Strainer , Wit double wall design, so that keeps drinks hot or cold for up to six hours. Easy to brew your tea on the go.