A look and basic test of the Thermos ultimate insulation thermal flask.
I preheat the flask, then fill with freshly boiled water. The flask is then left in my shed overnight and opened 25hrs later. The water is still hot and perfectly drinkable.
Price: $17.82
Stanley Classic Vacuum Bottle 1.1QT Hammertone Green
KEEP IT HOT OR COLD: Our Stanley Classic Vacuum Bottle is made with superior insulation that keeps liquids (soup, coffee, tea) hot or cold drinks cool for up to 24 hours It’s also made with BPA-free materials, keeping its contents safe to consume TOU... (as of October 13, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Price:
Thermos Funtainer 10 Ounce Food Jar, Teal
THERMOS vacuum insulation technology for maximum temperature retention, hot or cold Durable stainless steel interior and exterior Wide mouth is easy to fill, serve from and clean Keeps cold for 7 hours and hot for 5 hours; stay cool exterior 10 ounce... (as of October 13, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Price:
Thermos Stainless King 16 Ounce Food Jar with Folding Spoon, Stainless Steel
THERMOS vacuum insulation technology for maximum temperature retention, hot or cold, keeps liquids hot for 7 hours and cold for 9 hours. Product Size (W x D x H): 3.7 x 3.7 x 5.5 inches Durable stainless steel interior and exterior; Mug: 18 hours col... (as of October 13, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Price: $21.17
why pour it into a cold cup before testing the temp out the flask ? lol