EVA Air's checked baggage size allowance typically includes a maximum linear dimension (length + width + height) for each piece. While specific dimensions can vary based on the class of service and route, a common guideline is around 62 inches (158 cm) in total linear dimension. It's crucial to check EVA Air's official website or contact their customer service for the most accurate and up-to-date information regarding checked baggage size limits before your travel. Airlines may adjust their policies, and dimensions can vary depending on various factors.