I went to a florist yesterday, to pick up some stuff to make decorations from. You probably know this product; little beads that swell up when saturated with water, and they can f.ex. be used to support flowers in a bowl. I've used them before and knew what to do, but still happened to look on the back of the package. It gave me the laugh of the week, and I decided to use this for my Sign post, even if it's not strictly a sign. You may need to enlarge to read the text.
This is the product package:
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