Locking collection box is great for collecting drawing slips, raffle tickets, employee nominations, fund-raising & more. The generously sized graphic area lets you easily customize & change your message. Entire back panel slides out for easy access to contents. The 5-3/4" wide x 1/2" deep slot in the top allows multiple-sized slips to be used. Back display area is 8-1/2" wide x 11" high. The locking box includes two keys & is made from acrylic.