Features - Holds up to 24 fluid ounces and is dishwasher friendly as well as BPA free.- Barely an inch thick when collapsed, it fits into your backpack, your dog’s backpack, or a tiny corner of your car - Collapsible and portable so it is a perfect match for outdoor activities - Accordion-like design and sturdy bottom. Perfect for any situation like camping or hiking. - Made of food-grade silicone. Collapses to a slim 0.875 x 6 inches