Stay hydrated and do your bit for the planet with the Frank Green Reusable 340mL Water Bottle. The spill proof design offers convenient hydration on the go with Frank Green's classic retractable straw bottle design. Crafted from durable stainless steel and ceramic-lining and with triple-wall vacuum for ultimate hot and cold temperature control. Completed with unbreakable base and classic carry loop, stay hydrated on the go with the Frank Green Reusable 340mL Water Bottle.