Mmmh... I just lost my train of thought. Yeah, right, I was going to show you my newest invention: the red and blue Ultimate Guard Boulder 100+ SYNERGY. This little thing is the embodyment of perfect craftsmanship and it will serve you well if you know how to master it. Over time you will find out about all its secret features and the things it can do when used right...

- 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