If you live by the rule of "work hard, play hard", the red and black Ultimate Guard Boulder 100 SYNERGY is for you. Have fun! Eat, drink and be merry, but we strongly advise you, to use the Boulder with the utmost caution: it might trigger your demons and bring out the worst in you.

• 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