These 16 oz Stainless steel water bottles are a great choice for staying hydrated on the go. For your 500 ml water bottle, you can highlight its durability, convenience, and eco-friendly features. Mention that it's made from high-quality stainless steel, which ensures long-lasting use and keeps your drinks at the perfect temperature. Emphasize its compact size, making it easy to carry in your bag or backpack. And don't forget to mention that by using a reusable water bottle, you're helping to reduce single-use plastic waste. Handwashing is best when it comes to caring for your water bottle to not damage the material of the bottle.