 |I'm pretty sure I saw waterproof Roll Top bags that had a vent like a Self Inflating mattress so that you could squeeze the air out while you're rolling the top to close it. I can't remember where I saw them (assuming I didn't imagine it) Can anyone offer a suggestion?
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 Other than the fact that I too saw them somewhere or other, I can't think to help, so very sorry about that! I wish now I'd paid more attention at the time I saw them too!  I dismissed it from my mind at the time as being something I didn't really think I'd ever need myself though. After all, it is fairly easy I find, to just compress before I roll down on a normal topped dry bag.
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| Edited: 24/06/08 11:14 |
 The Exped bags won't let air out, but the Alpkit ones will (and are dirt cheap). I'm not sure if they let air out because of dodgy seem-sealing or because of bad closure though. If that's the case then that sort-of defeats the point... I think the Mountain Equipment drybags will let air out as they're built on that principle.
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| Edited: 24/06/08 12:04 |
Maybe we both imagined it  I seem to have difficulty getting roll to bags to resemble anything other than a football so that when I try to pack them they don't fill the corners of the pack. I'd almost prefer to use 2 normal stuff sacks with the openings at opposite ends. (pack item in stuff sack put stuff sack into second stuff sack drawcord end first) 2 Alpkit stuff sacks are probably lighter than a roll top anyway.
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 Seal Line (part of the Cascade group that do Thermarests) have roll top dry bags with an auto bleed valve built in. We've got one, and it seems to work, but TBH a bit of practice with a normal roll top renders it unnecessary. So I'd suggest just keep on practising... Pete.
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Thanks guys, I think it must have been the ME ones that I saw. I have 1 Large Exped and 1 small Alpkit. On a slightly different note, am I the only one who feels that gear designers have never actually met rucksac designers? why is everything round (stuff sacks, cooksets etc) Wouldn't thin flat stuff sacks and oval cooksets pack easier? 
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Yeah, they quite often are a pain to pack. I kneel on the bag once it's got stuff in to get it really small, but if you want it to be a particular shape, compress once it's in your bag. I used normal stuffsacks recently in Wales, knowing they're waterproof but for the seams and closure. It rained for 6 hours, torrentially. My kit was not dry.
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 Just as an alternative and something Kate has mentioned before on a different thread. Event compression sack and it seems the price at argos is pretty good by all acounts.
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R-Mac: 'ordinary people''s compression bags for packing stuff in suitcases are usually 'flat'. pretty tough as well! Has anyone tried the ones you suck the air out of with a vacuum cleaner? do they work if you just roll 'em up or do you really need a good suck!?!?
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Lots of good links/advice, thanks folks.
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 These? Exped roll-top shrink bags
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 I've found this clicky - if that's the sort of thing you're after
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 These bags from Lakeland are very tough and work well, with the advantage that they are clear and a fairly reasonable price at £14.50 here
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| Edited: 25/06/08 12:02 |
