Want a travel mug that isn't breakable and doesn't take up a lot of space? Then, this pretty aquamarine-colored Collapsible mug is for you! Made of BPA free and certified silicone, dishwasher safe, expands into 12 ounces, and has a mouth tab that creates an airtight, leak-proof seal.Just the mug you want to have with you this winter for that yummy cup of Cookies and Cream tea or a healthy helping of oatmeal!