Unverified70% confidenceTradeoffTime unknown
TPU双层材质相比普通PVC防水袋更耐低温和反复折叠，但袋体偏硬，装入大屏手机后边缘贴合度下降，可能影响边缘触屏操作
1
Sources
70%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Related Claims
UnverifiedTPU涂层材质耐用防水性好，但包体较硬挺且不可折叠收纳，空包时仍占较大空间82% similarUnverifiedPVC/TPU类防水材质相对偏硬，折叠后体积不算小，不像软布包那样随意塞入口袋，需预留携带空间81% similarUnverifiedPVC涂层防水布防水强但不透气，长期贴身接触（如坐垫）会闷汗发黏；TPU涂层布更柔软透气但价格更高，兼顾防水与舒适选TPU78% similarUnverifiedTPU涂层材质耐磨耐折叠，不用时可卷起收纳体积极小，适合作为背包内的备用防水层或皮划艇/漂流临时存放衣物电子设备78% similarUnverified面料厚实耐磨且有TPU涂层，防泼水和抗撕裂性能突出，但相应自重明显高于同容量超轻折叠旅行袋78% similar
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