NATURAL & HEALTHY - All materials used are food grade and BPA free. The thermo bottle is mainly made of bamboo and stainless steel, a fast-growing raw material, which saves natural resources. DESIGN & QUALITY - The noble bamboo coat gives the vacuum insulation pan from pandoo a unique and very noble look. In addition, the natural bamboo creates a pleasant feeling. LONG HEAT AND WATERPROOF - The vacuum insulated stainless steel tumbler keeps your drinks hot or cold for up to 12 hours. Of course, the travel mug is 100% leak-proof, sturdy and robust, making it the perfect companion for travel, hiking, the office, camping or any other situation. STRAINER INCLUDED TEA - Thanks to the sieve, you can prepare your favorite tea directly in the bottle. The removable stainless steel tea strainer allows you to brew loose leaf tea or whole tea leaves. The laser-engraved and therefore very fine stainless steel filter prevents annoying residues in the drink. ENVIRONMENTALLY FRIENDLY AND SUSTAINABLE