The governing body of each county and city shall provide a ballot container for each precinct. The container shall have a lock and key and an opening of sufficient size to admit a single folded or unfolded ballot and no more. The containers shall be kept by the electoral boards for use in the precincts.
Ballot containers to be supplied by governing bodies; construction and custody
Va. Code Ann. § 24.2-623, under Chapter 6. The Election..
Va. Code Ann. § 24.2-623