Prompt:

a collection of cute postage stamp-style sticker designs featuring chubby cartoon dogs in different outfits and poses, each stamp with rounded or perforated edges, soft retro color palette, bold outlines, playful facial expressions, Japanese kawaii style, flat vector coloring, numbers and small decorative icons, clean white background, nostalgic stationery design --ar 3:4 --v 7.0

一套可愛的郵票風格貼紙設計，展示了不同服裝和姿勢的胖胖卡通狗，每個郵票都有圓形或打孔邊緣，柔和的復古色調，大膽的輪廓，顽皮的面部表情，日本的可愛風格，平面矢量上色，數字和小裝飾圖標，乾淨的白色背景，懷舊的文具設計。