F&T seem not to be doing the ones I have any more.
I'd noticed that too. But they do sell the Outdoor Designs ones which come in a similar selection of sizes, and those have roll top seals too I think.
Pete. -- Peter Clinch Medical Physics IT Officer Tel 44 1382 660111 ext. 33637 Univ. of Dundee, Ninewells Hospital Fax 44 1382 640177 Dundee DD1 9SY Scotland UK net [email hidden] http://www.dundee.ac.uk/~pjclinch/