So, here are the basics: clear bags are a yes, opaque bags are a no. And if you're thinking of bringing a fanny pack, think again, because those are only allowed if they're clear and smaller than the aforementioned 12x6x12 inches. It's like they say, "you can't be too careful," especially when it comes to security.
Now, I know what you're thinking: "what about my phone charger and snacks?" Don't worry, you can still bring those, just make sure they're in a clear bag or a small clutch purse. And if you're feeling extra hungry, you can always purchase food and drinks inside the arena - just don't try to sneak in your own pizza, because, let's face it, that's just not going to end well.