We do this all the time...I fill up mine w/coffee for the ride on the bus/mono and by the time we get to the parks it's usually gone. I wash it out in the restroom and we slide it on the strap on our backpack - then I have it with me to fill up on the way back to the room.....
Our Authorized Disney Vacation Planners are here to provide personalized, expert advice, answer every question, and uncover the best discounts.
Let Dreams Unlimited Travel take care of all the details, so you can sit back, relax, and enjoy a stress-free vacation.