EXCELLENT INSULATION: Our stainless steel water bottle structure is made of copper coating, which can effectively maintain the temperature of the liquid in the cup: it can store hot drinks for 12 hours and cold drinks for 24 hours. Safe and less prone to leakage, making it more convenient to carry. PREMIUM MATERIAL: Our insulated water bottles are made of rust resistant (18/8) food grade stainless steel and are loved by customers for their durability. The powder coating treatment makes the thermos almost indestructible, scratch resistant, and temperature controllable. ENVIRONMENTAL & BPA FREE: Our product does not contain bisphenol A and meets the requirements of the US Food and Drug Administration. Durable, not a disposable cup. It will be the perfect choice for your daily travel. Bring our stainless steel insulated water bottle to keep you hydrated and enjoy every sip of water. Widely Use: Suitable for outdoor sports, gym, running, camping, climbing, hiking and other activities; You can take it to work, travel, yoga, class, picnic Any Scenario to Use: This water bottle is suitable for everyday life and outdoor adventures, its powder-coated finish adds energy, while the textured surface provides a secure grip; The straw lid is great for cycling and fitness, while the spout cover is ideal for hiking and camping, make it your travel companion