EUC. Size 9-12m, but runs large, like 12-18 in my opinion. Such a cozy, warm, waterproof one piece for little ones! Dog friendly, smoke free home. Cross posted. - A one-piece snowsuit built with warm, durable polyester - BIONIC-FINISH ECO treatment repels dirt and water - Insulated seat area keeps them warm as they sit in the snow - Detachable hood keeps their head protected when necessary - Removable foot loops keep excess snow out of their boots - Long side zipper allows for an easy in and out - Single zippered pocket stores small essentials