The 19 Strand Beadalon beading wire is a very flexible made up from 19 very thin stainless steel strands to create a thin but strong beading wire. A little more expensive than the 7 strand beading wire but the 19 strand is a lot more flexible and stronger.The 'bright' colour label is given to all of beadalon's basic colour beading wires, which although isn't bright is a very neutral silvery grey colour.Made in the USA, the diameter of this wire is 0.018" or 0.46mm. This spool contains 30ft or 9.2m.