Yalla babY Costume for Kids Girls Tulle Dress Princess Dress Up 100-150CM Birthday Party Cosplay Outfits w/Free Tiara, Wand, etc

I checked my daughters size it was 58cms in bust line but its 17.5 in inches. Im confused which size I will buy. Her height is about 96cms

If size doesn’t fit can it be returned for a refund?

What size for a 3year olld?

Can I get this dress in 3 year old size