Promotional Thermoses & Vacuum, 18 oz Guardian Collection by Thermos Stainless Steel Tumbler - Vacuum Insulated & 14hr Cold, Keep on rolling with the 18oz Stainless Steel Travel Tumbler from the GUARDIAN COLLECTION BY THERMOS. From city streets to mountain trails, this tumbler keeps drinks protected everywhere you go. Thermos vacuum insulation technology keeps coffee and tea hot up to 5 hours. Cold drinks stay icy for up to 14 hours. A slide lock lid helps prevent spills and leaks. Made with minimal parts that are dishwasher safe and easy to clean. Just fill it up and you're ready to take on the day.​ Thermos vacuum insulation technology for max temperature retention 14 hours cold, 5 hours hot Durable double wall stainless steel Exterior stays cool to the touch with hot beverages and sweat-proof with cold Easy-to-use slide lock lid Easy-to-clean, leak resistant lid with minimal parts Protective powder coated finish Fits most car cup holders Top rack dishwasher safe ... #MTS1319 $23.61/each.