Looks like even the WD-40 web site doesn't have a good answer: http://www.wd40.com/Brands/wd40_faqs.htmltoybox said:Spring for a new can of WD-40 and hold onto the straw this time. I don't think it is worth it to search or buy them like that.
Iman74 said:This last snow storm on Friday I just lost my last WD-40 Straw. Now I have two cans of WD-40 and now straws; so now when I spray it goes all over.
Do you guys know if you can buy a package of a 100 straws?