Hot or cold for longer – double-walled cup. Usable with one hand – simply click to open and close. Effortless drinking – as easy as from a regular cup. Enjoy longer – the drink stays warm for 1.5 hours or cold for 3 hours. This depends on the type, amount, and temperature of your beverage. Freshly brewed tea at hand – storage for tea bags at the bottom. Everything stays dry – 100% leak-proof. Perfect size – fits under most coffee machines and in standard cup holders in cars. Easy to fill – large opening. Hygienic – the lid can be easily removed for perfect cleaning. Durable – reusable cup made from long-lasting materials, BPA-free.