Here is a practical brewing vessel of amazing simplicity, designed for people who want to drink tea on the move. This flask is made of double walled glass with an airtight lid and a removable stainless steel filter. It allows you the choice to brew your tea leaves using the technique you find most convenient at the time.
Reversible Sheath for Tea Flask by CS
This useful sleeve will add additional protection of your glass tea flask and enhance its insulation.
Neoprene is a polymer increasingly used in various fields for its versatility and strength.
This sleeve is reversible so it can be black or lime green, depending on your mood.