Ultimate Guard's Sidewinder 100+ Xenoskin is a premium Magic: The Gathering deck box offering exceptional card protection with its durable Xenoskin material, microfiber inner lining, and strong magnetic closure—all while providing easy and convenient access to the cards inside. With space for 100 double-sleeved cards in Ultimate Guard sleeves*, the Sidewinder 100+ Xenoskin is the perfect MTG deck box for all Magic formats (Commander/EDH, Modern, Standard, etc.). Designed to combine with Ultimate Guard's Omnihive, Superhive, and Smarthive mass storage boxes.