Unverified85% confidenceDecision RuleTime unknown
飞机/长途大巴场景选压缩后体积≤2L（可塞进背包侧袋）的睡眠毯，展开尺寸建议≥120×150cm才能同时盖住肩膀和脚
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85%
Confidence
Long-term
Relevance
-
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Unverified中号约31cm，体积适中便于抱睡与出行携带；若需要更大陪睡或更小挂件用途，应选对应尺寸款79% similarUnverified充气式颈枕收纳后体积可压缩至拳头大小（约15%原体积），适合登山包/极限精简行李；记忆棉款即使带压缩袋也只能压至50%左右且回弹慢78% similarUnverified充气颈枕整体重量通常在80-200g，远低于记忆棉颈枕的300-500g，登机行李严格控重或超轻装备出行时是首选颈部支撑方案77% similarUnverified颈枕重量建议控制在200-350g，超过400g的记忆棉枕挂在背包/行李箱外会晃动累赘，通勤便携优先选带收纳袋+挂扣设计77% similarUnverified随身携带型急救包展开尺寸控制在15×10×5cm以内、重量＜300g，才能塞进日常双肩包侧袋或腰包不占空间；超过20cm的多为车载/家庭型，随身携带负担明显77% similar
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