Your kit should be waterproof; however, sealing your supplies inside of zipper baggies is usually the job all you need to do.

你的急救工具箱必须是防水的；不过，你通常需要做的工作就是密封拉链袋里面的用品。

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Your kit should be waterproof as well, particularly if you will travel with it away from home; however, sealing your supplies inside of zipper baggies is usually all you need to do the job.

你的急救工具箱还必须是防水的，尤其是当你带着它出门远行的时候；不过，你通常需要密封拉链袋里面的用品。

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It features washable waterproof fabric, wide shoulder straps for comfort, and a locking zipper.

它的特点是可水洗，用防水布料制成，宽大的肩带非常舒服，并有一个拉链锁。

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