| 摘要 |
A bag device A is disclosed having a waterproof enclosure D contained within an outer case B having a cover flap C which fastens over a closure 18 by means of a yieldable fastener 20, 22 to seal an article within enclosure D in a generally airtight waterproof environment. Air entrapped therein provides buoyancy and a safety fastener E maintains the closure 18 sealed should cover flap C become unfastened under pressure such as when fallen upon during whitewater boating.
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