The Retulp Tumbler Thermos Cup is an elegant thermos in a handy and compact size. The bottle is easy to take with you, for example to work or on the go. The tea strainer is useful if you want to add tea, herbs or fruit. For example, put hot water and tea or ginger in the Tumbler and then place the strainer, so that the tea leaves or herbs remain in the Tumbler thermos. The same can easily be done with cold water and fruit.