Stephen JosephGirls Classic Rolling Luggage

Is the 18" height w/ the handle up or the bag itself??? Wondering if this will be good for a 6 day trip to Disney for my 4yr old!(I'm an overpacker 🤣)

Is this bpa, lead and pthalate free?

How do you label it? I want my kid's name on it for camp. Thx. :)

does this fit under the seat in an airplane?