Introducing our 600ml Vacuum Double wall Stainless Steel Thermos! This versatile thermos keeps your beverages at the perfect temperature all day long. Whether hot or cold, the vacuum insulation technology provides maximum temperature retention for up to 24 hours. The durable stainless steel construction ensures this thermos will last for years to come. Our factory places a strong emphasis on quality, so you can trust that our thermos will deliver on its promises. Order now and experience the convenience and efficiency of our 600ml Vacuum Double wall Stainless Steel Thermos!