These socks are very cute and a great price!  I am writing a review to point out that the 6-18 month size listed here on Amazon is really 9-18 months size. They'd be pretty big for a 6-month old - just an FYI.  Also - one pair of socks had misshaped sizes (one was much wider than the other) - I think a manufacturing defect.  We still like the non-skid on the bottom and may order more, though we also have been having luck with the non-skid socks at Old Navy.