The Sidewinder Synergy line is a two-tone colored Sidewinder 100+ which will feature some of players favorite color combos to play with. Made from resistant Xenoskin material, the Sidewinder 100+ Synergy is designed for 100 double-sleeved or 120 single-sleeved standard sized cards. This product was also modularly designed to fit into a variety of Ultimate Guard products, such as: the Superhive 550+ and the Omnihive 1000+