Ultimate Guard's Boulder 100+ is a durable and reliable deck box that combines the completely transparent top of the Boulder Clear with an opaque base in the style of the Boulder Solid. Despite its secure closure, the Boulder 100+ is easy and convenient to open and holds 100 double-sleeved cards in Ultimate Guard sleeves* from trading card games like Magic: The Gathering, Pokémon, Lorcana, Flesh and Blood, Yu-Gi-Oh!, Riftbound, or One Piece. Designed to combine with all Ultimate Guard mass storage boxes, Boulders fit especially well into Arkhive, Superhive, and Flip'n'Tray boxes.

*Designed for Ultimate Guard sleeves. Sleeves from other brands may affect the capacity.

• Designed for 100 double-sleeved cards in Ultimate Guard sleeves
• Durable and rigid box
• Secure closure
• Modular design to combine with Ultimate Guard products
• Transparent top, opaque base