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 2:3 --v 6.1

一系列可爱的邮票风格贴纸设计，描绘了穿着不同服装和姿势的胖胖卡通狗，每个邮票都有圆形或齿孔边缘，柔和的复古色调，粗线条，顽皮的面部表情，日本可爱风格，扁平矢量上色，数字和小装饰图标，干净的白色背景，怀旧的文具设计。