In this Ultimate Guard Boulder 100+ SYNERGY, the striving for peace and perfection come together to form a beautifully harmonious product in blue and white. If you believe in law and order, you can use the power of this Boulder to make the world a safer place.

- Designed for 100 double-sleeved or 120 single-sleeved standard sized cards in Ultimate Guard Sleeves
- Durable and rigid box
- Soft-touch finish
- Designed to fit into other Ultimate Guard products: Superhive 550+, Arkhive 400+, Flip'n'Tray 100+, Twin Flip'n'Tray 200+
- Secure closure