Barely an inch thick when collapsed, it fits into your backpack, your dog’s backpack, or a tiny corner of your car. It holds up to 24 fluid ounces and is dishwasher friendly as well as BPA free.

• Holds 24 fluid ounces
• Collapses to a slim .875 x 6 inches
• Expands to 3.5 x 6 inches
• Made of food-grade silicone
• Dishwasher safe
• BPA free