Customizable Deckbox Gamegenic This black, customizable Squire deckbox from Gamegenic is suitable for a deck of 100 double-sleeved cards. The Deckbox Squire 100+ Convertible Black is a sturdy box, made of Nexofyber material. The inside of the box has a black microfibre lining. Powerful magnets keep the box securely closed. Convertible deck boxes The Deckbox Squire 100+ is a box from the Convertible series from Gamegenic. This series was designed to present cards in a new and unique way. A great feature is that you can completely remove the lid from the deckbox. When you click the lid on the bottom of the deckbox, you can rotate the box in all kinds of ways. Another possibility is to put a lid of a different color on the deckbox. You can create your own color combinations.