Uniqlo kid's cardigan size 10-12

Posh pearl grey lightweight kid's cardigan from Uniqlo size '140' (Japan) which, from what I could find out from Google, is about size 10-12 (youth) in US sizes. EUC, barely worn. academia | academic | all season | autumn | beautiful | buttons | button up | cardi | cardigan | casual | chic | children | child | classy | classic | cool | cotton | elegant | fall | grey | gray | grey academia | japan | japanese fashion | kawaii | kids | lightweight | outdoor | pearl grey | posh | preppy | prep | retro | school | slate | soft | soft grey | spring | summer | sweater | trending | trendy | uniquolo | youth | y2k | 90s