Swiss century-old SIGG crystal Stainless Steel vacuum flask / vacuum flask 500ml-Obsidian

• Made of double-layer 304 Stainless Steel •Easy to drink, clean without dead ends •Flute-type bottle cap, you can pour water without removing the cap •Using precision forging technology to compress the vacuum space between the double layers to a minimum, The inner layer of the bottle is processed with a Bronze coating with good heat storage performance, which improves the heat preservation efficiency. •Special rotating technology makes the inner layer of the water bottle more refined and thin, and the net weight is 30% lighter than the same specification thermos bottle produced in the usual way, but the function is not reduced • The groove lines of the bottle body are shaped and non-slip, which makes the structure of the water bottle more advanced, resistant to falling and deformation. • The capacity is the same as other water bottles of the same specification, but the size is much more compact and lighter, which is more convenient to carry •The groove line of the bottle body makes the structure of the water bottle more advanced, preventing shattering and preventing deformation https://live.staticflickr.com/65535/49021716786_fd80141c84_o.jpg https://live.staticflickr.com/65535/49172072307_12e37bd756_o.jpg Product specifications: Height: 23.8cm Diameter: 6.8cm Net weight: 288g Capacity: 500ml Cover: PP#5 (polypropylene), Silicone, stainless steel Bottle: 304 stainless steel Swiss rigorous standards made in China Cleaning method: hand cleaning (In order to prolong the service life, please do not wash it in the dishwasher) Warranty period: one-year limited warranty Heat resistance: cup: 100°C cold retention: 20 hours heat retention: 12 hours Precautions: • It is recommended to wash by hand and do not put in the dishwasher to extend the product life