Booster box

Booster box of The Duelist Genesis.

Booster boxes are boxes of booster packs. They are how the booster packs are transported after being manufactured. They will generally have 24 packs for a normal Core Booster, 30 for a Duelist Pack and 10 for a Starter Deck, Structure Deck or Special Edition. A set of 12 boxes is often referred to as a case.