office depot 现在有免费的油性笔Sharpie Permanent Fine-Point Markers。（Item # 134000 ） 一盒有五只，每个账户可买两盒。 From 12/16/18 to 12/29/18 11:59 PM ET or while supplies last。 这个是正常的买然后返成office depot 的 reward。 reward 可以在office depot 的店里和网上使用。 terms：Bonus Rewards: 100% back on Sharpie® Permanent Fine-Point Markers 5PK: Valid in store, online, by phone or fax from 12/16/18 to 12/29/18 11:59 PM ET or while supplies last, whichever occurs first. Rewards are limited to 2 items per member. This offer cannot be combined with other Bonus Rewards offers on the same or similar products and services