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Mr. Krabs and Patrick wearing Water Helmets.
|List of objects|
Water Helmets are devices created so that water breathers could come into Sandy's Treedome.
- The water helmets look similar to Sandy's air helmet.
- The water helmets bear a striking resemblance to Fish Bowls.
- In The SpongeBob Movie: Sponge Out of Water, Plankton uses a cup to go in Sandy's Treedome because they do not make water helmets in his small size.