Durable: the perfect look, anti-drop, wear-resistant, anti-corrosion, stainless steel leak-proof lid, so powerful that you never want to run out. High quality: food grade 304 stainless steel on the inner wall and 201 stainless steel on the outer wall. It is durable and stands up to the demands of everyday use. PORTABLE: The stainless steel water bottle for hot or cold liquid drinks in a slim and cool shape is made for travel, and fits in standard car cup holders, so you'll never be thirsty during transport, and its handleless design makes it easy to organize in small spaces. Strong insulation: the stainless steel insulated bottle is made with a double stainless steel interior wall to keep latte drinks hot or cold for hours. Compact and Lightweight: Lightweight and compact design, perfect for your gym bag, car, bike and backpack to enjoy your outdoor activities. Easy to Carry: The narrow design of the stainless steel water bottle makes it easy to carry by hand or place inside the cup holder.