These tip collection boxes include a lock and 2 keys. These plastic ballot box sign holders feature a 5 1/4" wide x 8 1/2" high sign frame for your promotional ad inserts. These acrylic ballot boxes easily slide in your graphic from either side. Use these acrylic coin boxes for collecting donations from charities, tips at restaurants as well as ballots, entry forms, suggestions, comments, customer feedback, contact information and email addresses. If these sign holder ballot boxes are what you need, order them today to meet your business collection display needs.