Convenient 2 part NCR silent bidding sheet - Our 100 pack of one-sided, 2-part silent auction bidding sheets offer plenty of bidding space for your silent auctions items. List your silent auction item number, donation notes, item description and estimated value. These sturdy 8-1/2" x 11" silent auction bidding sheets also allow room to display the winning bidder and the winning bid dollar amount. Top of sheet has drill hole for user convenience. Organizing your silent auction has never been any easier. Light weight yellow/white carbonless paper.