Introducing the Thermos 0.45L Blue Water Bottle - Vacuum Insulated Mobile Mug JNS-450BL! Stay hydrated on the go with this stylish and high-quality water bottle. Its sleek design and vibrant blue color make a statement, while its vacuum insulated double wall construction keeps drinks cold for up to 24 hours and hot for up to 12 hours. The one-touch open type lid allows for easy one-handed operation. With a generous 0.45L capacity, you can take your favorite beverages with you wherever you go. Stay refreshed with the Thermos 0.45L Blue Water Bottle!