Blank gift certificates.
gift certificate definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a certificate that can be purchased, as from a store, for presentation as a gift: it entitles the recipient to select merchandise in the amount indicated
gift certificate definition by American Heritage Dictionary
A certificate usually presented as a gift that entitles the recipient to select merchandise of an indicated cash value at a commercial establishment.