Here's a real one for $48.00 USD. Others can be found on the 'net as well, in various styles and with pith, cork, and other absorbent lightweight construction. When dipped in water (especially in a dry climate) they become evaporative cooling units.

Not too many years ago, these were hard to find on the 'net. Now there are many available.

Pith

Here's another on Amazon:
More Pith