Nick L. O'Deon wrote:
OD not more than 2.5mm. ID 0.5-1.0mm. Doesn't matter what it is made of but
the material must be soft and resilient. About 6m needed but short lengths
(not less than 150mm) will do.
Anybody help please?

http://www.silex.co.uk/
Awful website, but they do what you want.

--
Grunff