Unverified75% confidenceDecision RuleTime unknown
手机防水袋通常自带挂绳，但PVC本身密度大于水会下沉，落水易丢失；漂流场景应选带充气/发泡浮力设计或额外加浮条的款式
1
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75%
Confidence
Long-term
Relevance
-
First Seen
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Unverified不要买没有防沉设计（内置气囊或可漂浮材质）的防水袋用于开阔水域，手机进袋后整体密度大于水会下沉，落水即丢失83% similarUnverified无浮力/防沉设计，手机袋落水后会沉底，水上活动时需额外搭配浮力腕带或漂浮配件83% similarUnverified选带独立保温袋分区或PVC防水内衬的挂袋适合放饮料/湿伞，普通布袋放湿物会渗漏发霉；带透明PVC平板槽的款可放平板/手机边充电边导航82% similarUnverified水上运动选购防水壳应优先带挂绳孔/浮力挂扣设计，浮潜漂流时手机脱手可漂浮不沉底；无挂扣的裸壳落水几乎必丢82% similarUnverified卷口式干袋卷合后会自然封住空气形成浮力，不慎落水可漂浮；但装满物品后浮力抵消，若需保护贵重电子设备落水不沉，应选带独立气室或明确标注浮力设计的型号81% similar
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