For those wondering the best option I've found for a triple sleeved commander deck is the @ultimateguard FLIP'nTRAY 133+ deck box. It fits snug enough that cards aren't sliding around, but not Amazon.com: Gamegenic Triple Deck Holder 300+ XL Compact Storage Solution for Three Decks or 300 Double Sleeved Cards, Includes Three Removable Deck Holders, Black Color, Made : Toys & Games TRIPLE DECK HOLDER 300+ XL Gamegenic What deck box fits a triple sleeved Magic: The Gathering deck? Double Sleeve Deck Boxes Commander (EDH) The Game MTG Salvation Forums MTG Salvation Need Advice for Double Sleeved Commander Deck : r magicTCG