My thermos flask worked fine for a few months until it suddenly stopped keeping the heat in entirely. How do vacuum flasks stop working? - Quora
![Amazon.com: Best Stainless Steel Coffee Thermos, BPA Free, New Triple Wall Insulated, Hot Water & Cold Drinks for Hours, Perfect for Biking, Backpack, Camping, Office or Car (17 OZ/500ML) : Home & Amazon.com: Best Stainless Steel Coffee Thermos, BPA Free, New Triple Wall Insulated, Hot Water & Cold Drinks for Hours, Perfect for Biking, Backpack, Camping, Office or Car (17 OZ/500ML) : Home &](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61zHN6p4XKL._AC_UF350,350_QL80_.jpg)
Amazon.com: Best Stainless Steel Coffee Thermos, BPA Free, New Triple Wall Insulated, Hot Water & Cold Drinks for Hours, Perfect for Biking, Backpack, Camping, Office or Car (17 OZ/500ML) : Home &
![Stainless Steel Insulated Water Bottle, Vacuum Thermal Cup With Handle & Leakproof Lid, Double Walled Flask Coffee Cup Keep Hot & Cold 12 Hours, Sport Travel Mug, Bpa Free - Temu Stainless Steel Insulated Water Bottle, Vacuum Thermal Cup With Handle & Leakproof Lid, Double Walled Flask Coffee Cup Keep Hot & Cold 12 Hours, Sport Travel Mug, Bpa Free - Temu](https://img.kwcdn.com/product/enhanced_images/c567d948d016ccc507a68615d2eee823_enhanced.jpg?imageMogr2/auto-orient%7CimageView2/2/w/800/q/70/format/webp)
Stainless Steel Insulated Water Bottle, Vacuum Thermal Cup With Handle & Leakproof Lid, Double Walled Flask Coffee Cup Keep Hot & Cold 12 Hours, Sport Travel Mug, Bpa Free - Temu
![Homgreen Vacuum Insulated Thermos Water Bottle with Wide Mouth Cup BPA-Free 18/8 Stainless Steel Water Bottles for Cold & Hot Drink Coffee - Walmart.com Homgreen Vacuum Insulated Thermos Water Bottle with Wide Mouth Cup BPA-Free 18/8 Stainless Steel Water Bottles for Cold & Hot Drink Coffee - Walmart.com](https://i5.walmartimages.com/asr/3b9d9a66-feb7-4f84-b267-9c1368a53d42.f953e6977652d482647fbe61b67b7e30.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Homgreen Vacuum Insulated Thermos Water Bottle with Wide Mouth Cup BPA-Free 18/8 Stainless Steel Water Bottles for Cold & Hot Drink Coffee - Walmart.com
![My hunting camp Thermos. She may not keep it 100⁰F till 5pm anymore but she keeps it plenty warm for those early AM hunting session. : r/BuyItForLife My hunting camp Thermos. She may not keep it 100⁰F till 5pm anymore but she keeps it plenty warm for those early AM hunting session. : r/BuyItForLife](https://i.redd.it/2gqk4z6wzqt61.jpg)
My hunting camp Thermos. She may not keep it 100⁰F till 5pm anymore but she keeps it plenty warm for those early AM hunting session. : r/BuyItForLife
![Amazon.com: Stainless Steel Thermos Cup, SUPKIT 12oz Small Thermos Vacuum Cup, BPA Free, Insulated Water Bottle Keep Hot & Cold for Hours, Perfect for Biking, Camping, Office, Car or Outdoor Travel (Taro Amazon.com: Stainless Steel Thermos Cup, SUPKIT 12oz Small Thermos Vacuum Cup, BPA Free, Insulated Water Bottle Keep Hot & Cold for Hours, Perfect for Biking, Camping, Office, Car or Outdoor Travel (Taro](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51nNaTURx-L.jpg)