Guides
Card gear, actually explained
13 guides answering the fit, sizing, and storage questions collectors search for. Every measurement comes from the same database that powers the fit checker.
Sleeves
Standard card sleeve size: the real numbersStandard card sleeves measure 66x91mm, made for the 63x88mm card size Magic, Pokemon, and Lorcana all share. Here is the actual clearance math.Read Penny sleeves vs perfect fit sleevesPenny sleeves and perfect fit inner sleeves aren't sized the same job. Here's the size gap that decides which one belongs under your outer sleeve.Read Card sleeve size chart for every gameOne chart covering every major TCG's card size and the sleeve size to buy for it, plus how much standard sleeves vary brand to brand.Read
Deck boxes
What does 100+ actually mean on a deck box?"100+" is a manufacturer capacity claim tested with one sleeve combo, not a promise for yours. Real examples of boxes that pass, fail, or sit tight.Read How many double sleeved cards fit in a deck box?The real math behind "100+": card thickness plus two sleeve layers, stack height versus interior depth, and a worked example using measured combos.Read
Binders
Toploaders & holders
Toploader size chart: 35pt to 360ptEvery toploader pt rating from 35 to 180 converted to mm, plus what each size actually holds, from a raw card to thick jersey and patch inserts, in one table.Read Do sleeved cards fit in toploaders?Penny sleeve plus toploader is the standard combo and it fits with room to spare. Here's the width math, and which sleeves actually run too wide.Read