Kal-El's blanket

Kal-El's blanket is the blanket that Kal-El was wrapped in when he was a baby being sent to Earth. It is later used by Kara Danvers, as part of her Supergirl suit as a cape.

History
Originally being the cape that the baby Kal-El was wrapped in when being sent to Earth, it was later given to James Olsen by Kal-El, to give to Kara Danvers to use as a cape.