. "Items from the PW Boutique can expand Inventory or bank space. These items can be sold at Player Shops, but there are no quests to get them for free as with the Pet Bag and Bank. Bank inventory can be expanded by two quests from any Banker, for eight slots, as well as the expansion stones. Stones and the quests do not stack. See Increase Safe Slots for the quest to expand the player Bank The Mailbox can hold a very large number of items, either ones that are mailed from one character to another, or put up for sale at the Auction House for unreasonably high prices and returned. Characters cannot send mail to themselves."@en . . "Items from the PW Boutique can expand Inventory or bank space. These items can be sold at Player Shops, but there are no quests to get them for free as with the Pet Bag and Bank. Bank inventory can be expanded by two quests from any Banker, for eight slots, as well as the expansion stones. Stones and the quests do not stack. See Increase Safe Slots for the quest to expand the player Bank"@en . . "Storage Space"@en . .