Well, I'm not testing whether it's waterproof at all; first thing I did was drilled multiple big holes and installed big push-buttons. It came with the removable rubber gasket and the slot in the lid for it, looks like it would be pretty tight if you used that *and hadn't drilled holes through the box* :-).Exterior surface is nice and smooth, presentable in public. Interior was fine, not perfectly pretty but no sharp edges or abrasive areas or anything looking like serious manufacturing problems. Seems thick enough (the top specifically; though I think it's uniform) to hold multiple pushbuttons at normal spacings and not collapse when people push the buttons a lot (ask me again in a year).Screws are visible in the top, as the pictures show. If you care, you care. Inside, those screws (which are actual machine-screws) engage in metal inserts set in the plastic, so it's not just held together by metal biting into plastic.
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