Here at the Co-op we have a range of drink bottles for you to choose from. Have a look at our Watermate bottles that come 780mL or 500mL sizes. They have lockable lids, water measurements on the size, and are BPA free. While you're at it, check out our Naturally Sustainable drink bottles with beautiful drawings of plants, animals, or patterns. They're made of high-quality, food grade stainless steel to always keep your water cool.