• Vacuum insulated seven-layer structure that can also hold iced cola. The inner bottle of the tumbler uses austenitic stainless steel (S31603), which is excellent in corrosion resistance and heat resistance, in addition to the electrolytic polishing layer S31603 stainless steel, also known as "Marine Grade," has even better corrosion resistance than the commonly used S304 stainless steel Resistant to salt and acid, suitable for a variety of beverages Furthermore, it adopts a seven-layer structure that combines an ultra-precision copper plating reflective layer, a high vacuum insulation layer, an S30408 stainless steel layer, a precision polishing layer, and an eco-groscoat layer, moving outward This results in better insulation and corrosion resistance than regular stainless steel, thereby extending its service life The bottle has long-lasting heat retention and cooling effects, and it is safe to store hot beverages or cold tea, juice, coffee, cola, etc. inside ※When carbonated beverages are placed inside, the internal pressure may increase, causing the contents to spill out when the lid is opened When adding carbonation, please use with the lid placed lightly on top • Fits any occasion with its 3-way drinking method. Choose according to your mood or situation of the day, this convenient 3-way drinking mouth design is also recommended for those with a sensitive palate One bottle can be used in 3 ways: straw type, sports type, and direct drinking type Comes with a straw, so you can drink it slowly and enjoy it while doing lip makeup The sports type has a small drinking opening, ensuring safe design for easy opening and closing with one hand during exercise or driving The direct-drinking type features a simple design that allows for direct drinking by simply removing the lid You can quickly replenish fluids even after sweating, making it a great choice for active situations • Long-lasting and hygienically clean, combining durability and hygiene. The inner bottle uses an electrolytic polishing layer and highly corrosion-resistant stainless steel S31603 to prevent rust and odor transfer It is resistant to discoloration even when filled with carbonated beverages or coffee, and will keep it clean at all times The exterior has a finish that is resistant to scratches and fingerprints, allowing you to enjoy a beautiful design for a long time Since it is something you use every day, we have focused not only on its cute appearance but also on hygiene and durability • 『A strap design that combines design and functionality』 Featuring a strap with a high-quality touch and durability, the smooth texture enhances the overall impression of the bottle, providing a pleasant feeling every time you use it A stylish and practical design that you can carry with you regardless of the occasion • The 360° grip and silicone bottom provide peace of mind without slipping The center part is equipped with an all-around grip line that fits comfortably in your hand, and the bottom is equipped with an anti-slip pad made of friction-resistant silicone The smart structure allows for stable holding and placing movements without compromising design The beauty of the appearance and ease of use are highlighted by the characteristic details of GERM