| 摘要 |
A waterproof case which seals out sea water and opens upon the application of pressure on two opposite points. The case has a flattened wallet shape and is made from a single piece of synthetic material. The case has two opening edges with at least one opening edge having a compressible strip. The case is absolutely waterproof in a static state until pressure is applied to the edges of the case which forces the opening edges to separate from one another. The case is useful for protecting various objects, such as coins, bank notes, keys, identity papers again water, perspiration, sand, dust and similar objects.
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