What size my daughter is on snowboard boots she is 5 years old?

what you really need to do is take your daughter to a snowboarding shop and try boots on nsee what size and what style, and they will be able to recommend you some, the problem is how much experiance does your daughter have? because those boots are freestyle boots, so if shes only learning its not recommended you buy those, but like i said take her to a shop and get professional advice.