What material are jeans made of?

More Questions:

What continent does yerba mate originates from?

Who created the Rubik's Cube?

The cover of what band's 1977 album "Animals" depicts a large, inflatable pig flying over London's Battersea Power Station?

What is Ralph Lauren's real last name?

Which writer, best known for his macabre stories and poems, was born in Boston in 1809?

What nation's legislative body is named The Eduskunta?

What is the capital of Massachusetts?

What is the actual name of the giant human figures of Easter Island?

Syncope is the medical name for what condition?

Who had a multi million best seller with "(How Much Is) That Doggie In The Window"?

In The Simpsons, who said: "I thought I'd get into shape, so i've been drinking nothing but milkshakes."?

Who was the youngest member of the Jackson 5?

What was the name of Mulder and Scully's supervisor on the TV show "The X-Files"?

What was the original Dutch name of New York City?

What empire arose in the Peruvian highlands around 1200 AD?