Tumbler by Nalgene Its a cup, a shaker, a mixer, a measurer, an opportunity to share. The only thing it won't do is break. The super sturdy Nalgene tumbler can dress up a casual picnic table just as easily as it can cool down a serious hiker. Its the latest innovation from the company that's conquering thirst, one cup at a time.

• The Tumbler is double walled so it keeps your drink cold longer
• The two pieces can break apart so you can use it as a shaker or to share your drink with a friend
• Made with durable co-polyester that is BPA free
• Made in USA
• Dishwasher Safe
• Resistant to staining and odors