H&M 7/8Y grey cotton knit adorable fun hello kitty crown short sleeve dress 12.5” pit to pit 25” long Hello Kitty, hello Kitty colab, H&M Hello Kitty, H&M colab, grey dress, knit dress, cotton, natural fibers, fun, cute, adorable, cats, kitty, kitten , princess, hello kitty princes, spring, summer, fall, winter, back to school, school dress, birthday, birthday dress, casual