This Dou-mug math tumbler will be your new favorite way of keeping hydrated! With its unforgettable, appealing cartoon-style print and rich blue color, you’ll never forget to leave home without it.
Product Features
• 20oz
• Double wall vacuum stainless-steel
• Lid is press-in and drink-through
• Keeps your drink hot for 5.5 hours
• Cold for 24 hours