DURABLE QUALITY - This cola shape water bottle is made from high quality food grade 304 stainless steel on both inside and outside walls, that will not break and scratching resistance, 100% BPA Free for heath-safety. KEEP HOT & COLD - Keep your water, coffee or tea hot or cold. Unique double walled vacuum insulation design with vacuum-seal cap keeps your drinks hot or cold for up to 12 hours. You can enjoy cool and fresh in hot summer, enjoy the warmth in cold winter. 500ML CAPACITY, BUT LIGHTWEIGHT - Weighs just over half a pound, lightweight and easy to take on the go, perfect for outdoor activities, the gym, long hikes, treks, bike rides, hot yoga classes, long road trip, in your car or backpack PRE-CONDITION - This bottle with hot water if using for hot beverage and cold water if using for cold beverage; Use Mild Soap for cleaning the bottle and advised to be kept open when not in use to avoid odor STAINLESS STEEL LAYER - The high quality 304 stainless steel. Cause no harm to your health. An environmentally friendly sports water bottle to keep you healthily hydrated, suitable for kids and adults. Combined with its durable inner container, have airtight seal that helps prevent heat from escaping.