The YETI RAMBLER 10 OZ TUMBLER glass is made of stainless steel to withstand the shocks it may take on all your next excursions or trips, because yes, it's important to protect every one of your favorite beverages.
The double wall vacuum insulation keeps your favorite beverages warm or cool. This container features a MagSlider lid that quickly spills.
Note that it is not leak-proof but adds a protective barrier to keep drinks inside and prevents heat or cold from escaping.