Half a croissant, on a plate, with a sign in front of it saying '50c'
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Unflatable mattress

Why inflate when you can unflate?
  (+8, -2)
(+8, -2)
  [vote for,
against]

I love camping. I enjoy roughing it even more but when the whole family goes we find ourselves needing just a few more amenities than you can fit into a back pack, like mattresses.
Inflatable mattresses just don't seem to survive more than a season when you have kids and I don't find them very comfortable so the best alternative is a thick foam one, but they take up way too much room in my opinion. So how about a foam mattress encased in a durable air tight rubber coating that you could hook a reverse foot pump to and evacuate all the air collapsing the mattress into a rectangular pancake. When you get to your campsite just unscrew the valve cap and "fwssshh" insta-bed.

Vacuum Packed Foam Mattresses by FlexyFlex http://www.thesleep...cked_mattresses.htm
Though not necessarily re-pack-able. [phoenix, Oct 04 2004, last modified Oct 21 2004]

(?) Self-Inflating Foam Pads http://www.rei.com/...Inflating+Foam+Pads
Wayyyyy baked [Klaatu, May 05 2008]

Seal goes off http://binarybonsai.com/images/seal.jpg
Inflating spontaneously [normzone, May 05 2008]

[link]






       But then... when the seal goes it'll inflate spontaneously, causing your backpack to explode.
hippo, May 30 2004
  

       Have you vacuumed your pants to your legs or are you just yadda, etc.?
FarmerJohn, May 30 2004
  

       //But then... when the seal goes it'll inflate spontaneously, causing your backpack to explode.//   

       [+]
wagster, May 05 2008
  

       //when the seal goes it'll inflate spontaneously//   

       I challenge the collected halfbakers to place that phrase into nine distinct contexts.
MaxwellBuchanan, May 05 2008
  

       [MB]: Antarctic fisherman catches elephant seals by using fish stuffed with gas canisters as bait on the line. When the seal goes off it'll inflate spontaneously and float to the top.
Jinbish, May 05 2008
  

       [Jinbish]: The Norwegian delicacy "fiskenkjøtt" is traditionally prepared in June, to be eaten by the family at Christmas. It is related to the Swedish "surstromming". Uncooked seal meat is tinned, and then thrown into a lake, the spot marked by a bundle of reeds tied to a stone. The family knows that, when the seal goes off, it'll inflate spontaneously and the tins will rise to the surface to be reclaimed and eaten.
MaxwellBuchanan, May 05 2008
  

       Well, the easy three have been accomplished. Now it gets interesting.
normzone, May 05 2008
  

       How baked is Wayyyy baked [Klattu]? Do you think they have been around since before my posting? I found nothing when I searched at the time.   

       ...and here the elephant seal can be seen expelling a surprisingly large volume of mucus into the blowhole of a sleeping Narwall. When the seal goes it'll inflate spontaneously.   

       //Do you think they have been around since before my posting?//   

       By about 20 years or more. Very common here with the camping types.
Klaatu, May 06 2008
  

       1) On what appears to be an ordinary American dollar bill, mounted on a wooden plaque, the Seal of the President of the United States conceals an evacuated noollab (reverse-balloon) ...   

       2) An un-opened sauce jar has been suspended opposite an unsuspecting puffer-fish...   

       3) ...or maybe a bullfrog...   

       4) One of those newfangled bondage practice dolls has been delivered in a discreet package, bound with ribbon whose main knot is covered in signet-stamped red wax...   

       5) I give up.
pertinax, May 06 2008
  

       To all US Marines:   

       The US Navy are helping us with making stealth approaches over water. Two-person teams comprising one Navy Seal and one Marine have been training with BAMONRIB's - Backpack Mounted Non Rigid Inflatable Boats which automatically construct themselves on the tugging of a ripcord.   

       When on training and carrying a BAMONRIB, do NOT give the ripcord to your navy buddy or else...
wagster, May 06 2008
  

       I make that 6, which is encouraging. Feel free to use foreign languages.
MaxwellBuchanan, May 06 2008
  

       OK, like, this is sooo awesome. You are totally like not going to believe what happened to me last night. I met this Navy dude - he was like some diver or something, and wanted me to call him seaman - ewww, gross. Anyway, he kept talking about, like, his equipment and stuff, and how he was some radical special forces dude, but I just totally wanted to skip to the fun bit. OK, so here is the most awesome part. Ready? OK. We went back to his room, and he was still like totally talking about all is stuff, you know, and anyway, I managed to strip him down, and he was like staring at himself - you know, like looking down. If it was anyone else but him, i just sooo wouldn't get it, but when the SEAL goes "it'll inflate spontaneously", i just couldn't stop laughing.
TIB, May 07 2008
  

       <sitting in boring conference barely controlling mirth>
wagster, May 07 2008
  

       My Rube Goldberg machine has a chute that feeds a seal herring laced with laxative. Under the seal is a bucket on a pivot that pulls the cord on a life raft when it is filled. The life raft expands inside of a glass box ...
nomocrow, May 07 2008
  

       I'm pretty sure they had these back in 1999, and maybe as early as 1993.
ye_river_xiv, Feb 04 2010
  
      
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