Customize this thermos and make it your new favorite cup. Holds 17oz of your favorite drink. It locks in your hot or cold drinks for 15+ hours. Also comes with a strainer that can be used has a tea infuser or to control your pour flow. Upload your image with the image uploader. To custom design a tumbler. Check the box and comment a descriptive design in the box. There is a upcharge for designing. Approval will be emailed before printing.