For any one always on the go who wish to carry and drink their drinks. A simple and lightweight flask with a one turn screw top. Transparent, in polypropylene (0.75L) Quick screw lid, opens and closes in one turn. DURABILITY In polypropylene: transparent, durable but not unbreakable. Free from BPA EASE OF USE Wide opening, lid with large slot for easy transport. 0.75L. ISOTHERMAL Non isothermal. To keep your drink fresh, use the isothermal cover 1L.