30oz Tumbler

This tumbler is made of corrosion-resistant 18/8 stainless steel and features vacuum sealing and a copper-lined inner wall for better insulation and temperature control. It fits most cup holders and comes with a limited lifetime warranty.

• The tumbler claims to fit most cup holders.
• The tumbler claims to keep hot beverages warm for 5+ hours.
• The tumbler claims to keep cold beverages cold for 50+ hours.
• The tumbler comes with a limited lifetime warranty.