Marketing Holders Premium Clear Locking Ballot Box or Suggestion Box (Header, 6" x 6") Clear 6x6 Ballot Box or Suggestion Box with 5x7 Sign Holder and Lock Inside Box Dimensions: 6"w x 6"h x 6"d Header Dimensions: 5"w x 7"h Overall Box Dimensions: 6 1/4"w x 6 1/4"h x 6 1/4"d Slot Size: 4 3/4" x 1/4"