It's adorable! Bought these for my daughter to wear under her skirt. She is slim for her age (6). Sometimes she wears a size 5, others wear a size 6. The online description didn't provide good sizing info, so I bought a size 6-8 after reading the reviews. As a result, I had to downgrade to a smaller size. I have attached a picture of the size on the product which is much more useful.
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