How to Choose Moisture-proof Pad
Now the moisture-proof cushion is basically foam moisture-proof cushion and self-inflatable cushion. Foamed moisture-proof pads are light, cheap, but can not compress the volume, relatively large, usually need to be hung outside the backpack; while self-inflatable pads can be compressed into a very small backpack, but the weight is larger and the price is more expensive. As for how to choose moistureproof cushion, it depends entirely on personal economic affordability and the environment used. For foam damp-proof cushion, the shape of cushion, washboard type, honeycomb type and other cushion with groove design should also be considered when choosing.
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