I got a cheapo 1.5L one for a tenner in Tesco, it's veh good.

( Esme Weatherwax I swear on my tash it's daycent hash, Thu 4 Jun 2009, 11:08, archived)

yayyy

( sleepybinky, Thu 4 Jun 2009, 11:08, archived)

i was working on the basis of "you can underfill it but you don't want one too small"
he often goes out for the whole day and currently takes a real backpack with a bottle of water.
( sleepybinky, Thu 4 Jun 2009, 11:09, archived)