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Hello Kitty Color Me 7 Days Boybrief Set
Made of 95% Cotton and 5% Spandex. Sold in a set of seven, one for each day of the week. The set includes two black, two pink, and three black Boybrief.
Sizes are as follows: Small (3-5), Medium (7), Large (9).
This is the teen/adult line - the sizes run small, but this is not the kids line.