ThermoCafe 500ml Hydrator Bottle Matt Black Stainless Steel Stay hydrated and say no to single use plastics with the Thermocafe hydrator bottle. With double wall vacuum insulation technology, the Hydrator will keep your drinks cold whilst the durable stainless steel exterior and interior ensures you can enjoy your bottl for longer. An easy screw top lid allows quick and easy access to your favourite drink. Durable stainless steel interior and exterior. Stainless steel screw top lid. Recommended for cold drinks only. Capacity: 500ml.