We have a couple of ways you can determine the right size for your container. Below is a link to our Search Labels by Container Type page, with the water bottle label category selected. This will show you several of the more popular brands with recommended label sizes. https://www.onlinelabels.com/containers/category/labels-for-water-bottles We've also included a link to our printable label tools, which includes a printable ruler so you can measure your bottles. https://www.onlinelabels.com/articles/finding-your-label-size-printable-ruler