The Cille 2L Vacuum Flask features advanced double-wall vacuum insulation technology that effectively maintains the temperature of your beverages for extended periods. Ideal for hot or cold drinks such as tea, coffee, milk, or water, this stainless steel flask ensures your drinks stay fresh and at the desired temperature whether you're at home or on the go. Durable and efficient, it is perfect for daily use and travel, providing reliable temperature retention in a sleek design.