Period starting soon. What pad to get 12 yr old daughter?

My daughter just turned 12 in May and I want to be prepared for when she start her cycle which i feel could be any day now. She has boobs, pubic and armpit hair, pimples.

I went to Walmart and didnt know which pad I should get. so many to choose from

Any suggestions?

Wings, no wings

Long, short

Ultra thin, thin, (forgot the other names)

Im a heavy bleeder so i no the ones i use is a no go.