"Expands your inventory by 1 slot per lesson. Mount carry capacity allows you to carry more items."
―In-game description[src]

Crown Lesson: Carry Capacity is an upgrade for The Elder Scrolls Online available through the Crown Store. It includes 10 consumable items that increases mount carrying capacity without the daily limit found at stables. This upgrade requires at least one mount, and can not be used to exceed level 60.