ADVENTURE DESTINATION TEA MUGS FUNDAMENTALS EXPLAINED

Enjoy a custom tumbler or travel mug personalized with your favorite design or photo. Perfect for daily use, retaining drinks warm or cold on the move.MiiR Insulated Travel Tumbler with Locking Flip Lid ($33 at Amazon) We liked the general design, insulation, and sizing of your MiiR Insulated Travel Tumbler. However, we identified a design flaw wit