Unverified80% confidenceCautionTime unknown

非标尺寸卡片虽个性但配套信封难买，标准尺寸（如DL 110×220mm、方形130×130mm）可直接匹配现成信封，需邮寄场景优先选标准尺寸

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Unverified邮寄用途的贺卡必须确认信封配套且尺寸留余量：卡片比信封内径每边小3-5mm便于取放，标准DL信封(110×220mm)配三折卡、C6信封(114×162mm)配对折卡，不匹配会导致邮寄时卡片卡死或晃动89% similar Unverified卡套为标准卡54×86mm尺寸，仅适配公交卡/银行卡类，不适合放置身份证等大证件78% similar Unverified标准信用卡尺寸为85.6×54mm，可直接放入钱包卡槽，是过敏原警示卡随身携带的通用便携基准尺寸75% similar

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