Introduction The legend is back in an all new look: with the transparent Boulder 100 Clear, you’ll always know exactly which cards are in your deck box. The Boulder 100 Clear is a durable and reliable deck box with a secure closure. It can hold up to 100 double-sleeved or 120 single-sleeved cards from all popular trading card games like Magic: The Gathering, Pok mon, Lorcana, One Piece, or Yu-Gi-Oh! Capacity (double-sleeved) 100 Capacity (single-sleeved) 120 Capacity (unsleeved) 210