Storage Room 5-slot CouponFrom the MapleStory Classic Wiki, mirrored inside MPStorysShareStorage Room 5-slot CouponDouble-click to expand your Storage Room by 5 slots. You can have up to 150 slots.CategoryCashTypeStorageVersion0.9.0Released6 October 2026 Storage Room 5-slot Coupon is a cash item (cash storage) available in the Cash Shop.