LifeStraw Go Stainless Steel, is an advanced water bottle that protects against bacteria, parasites, microplastics, and chemicals such as chlorine, making the water taste better. Moreover, this drinking bottle has a vacuum-insulated wall that ensures that your water stays nice and fresh for hours. Fill the bottle with water from a lake, river, or tap. The filter straw ensures that the water you drink is filtered and drinkable. The bottle is BPA-free and is very suitable for use during hikes, camping, long journeys, and survival trips. Lifestraw water filters are extensively tested by the US Environmental Protection Agency (EPA) and NSF International/ANSI. Use this reusable drinking bottle to have drinking water available almost anywhere in the world and help reduce waste.