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 Etokfoks Ultra Capacity Card Deck Box Holds 3000 Sleeveless or 1900 Single Sleeved Cards 24 Dividers 4 Windows Removable Lid 1 Piece Black Gold Heavy Play RFG Deck Box 100 Double Sleeved Warlock Black Tobacco Size Sleeves (100ct) Ultra PRO International BASTION 100+ XL Holds triple sleeved cards! Amazon.com: Mlikero 4 Pack Card Deck Box, Commander Deck Box Holds 400+ Double Sleeved Cards with 4 Dividers, Leather Magnetic Closure Card Box Fit for MTG, TCG (4 Colors) : Toys & Games