550ml Single-Walled Glass Water Tea Travel Flat Flask Bottle

This single wall tea glass bottle is with bottom infuser, so it can be opened both from top and bottom. The bottom infuser is of 304 stainless steel, meet food grade standard. 

Several kinds of lids for this tea glass bottle, steel lid, steel lid with string. 

Made of high borosilicate glass, most eco friendly material for water, tea, coffee.

These single wall tea glass bottles with sleeve will be easier to take and more insulated.