Vandelay Industries - We're Number 1 in Latex! When George Costanza founded Vandelay Industries he had a dream. That dream was to provide the very best in latex products. Far from it's humble beginnings on the Seinfeld show Vandelay Industries in now a household name. So join the Vandelay family today and order your own "We're number one in Latex" tee. Made of 100% cotton and very cool. This design features the classic multi color logo printed on a heavy-weight charcoal t-shirt.