Posse Box The Posse Junior Letter Size Clipboard Box . Side Opening - Blk Specifications for Posse Box - Bottom Open Clipbox: Color: Black Vinyl Silver Powdercoat Black Powdercoat Blue Powdercoat Red Package Contents: Posse Box - Bottom Open Clipbox The Posse Box - Bottom Open Clipbox is a quality addition to the Posse Box lineup. For more great deals on Office Supplies by Posse Box please browse our Posse Box Office Supplies page.