Shopee官方对于产品封面图边框的要求

• 可以在封面图像的顶部或底部放置横幅

• 封面图片除了Shopee官方边框外，不应具有全框边框

shopee官网原文详情：   

Cover image criteria - borders

• Banners placed on the top or bottom of the cover image are acceptable

• Cover images should not have full frame borders except Shopee official borders

文章来源：shopee官方网站