Instead can just bring your bag with you on all Disney World attractions. I ALWAYS have a medium-sized backpack with me at WDW which holds my wallet, camera, water bottle, sunscreen, etc. You can bring a backpack, purse, sling bag, or diaper bag with you on every ride at WDW. read more
Thankfully - nearly every attraction at Disney World is designed so you can bring your bag with you while you ride. Even on the roller coasters there is room around your feet or you'll find mesh bags attached to the seat in front of you where you can stash your stuff. read more
Yes! Disney allows you to bring your bags on all rides so you don't need to worry about what to do with it while you ride (however, Universal provides free lockers that they require you to use at many of their rides which means an extra stop going in and out of those rides and it's kind of a pain). read more