Displays2go Metal Raffle Box (TBSUG5BK) Metal raffle box is also great for suggestions, ballots, voting and elections, and more! Features a locking door with 2 keys Compact size saves space and mounts directly to wall - hardware included! Insertion slot measures .56"H x 6.9"W to accept various sized envelopes and forms. Displays2go SKU#: TBSUG5BK