Lockable Clear Plastic Suggestion , Ballot Box - 9" x 9" x 9" - 1/4" Thick. This plastic ballot / suggestion box is a superb way of getting employee feedback. Made of 1/4" acrylic, this suggestion box has a large flat base to stand stable for a very long lasting and even counter top display. This box is bountiful in space allowing for many votes, ballots, or suggestions to be placed inside. It is easy to unlock the box to draw out a ballot and clean out. It is very easy to clean and there is no need for assembly.