Staples has a great coupon out. You can currently fill up one of their eco-friendly bags with any office supplies not listed as excluded. When you get to the register, just present the coupon and you will get 20% off the contents of the bag. Plus you'll get to keep the bag for free. The coupon is good until January 27, 2015.
Valid in Staples® U.S. stores only. Limit one coupon per customer per day. While supplies last. Cannot be combined with other coupons. Not valid on in-store kiosk orders. Not valid on Staples® 8 1/2" x 11" Multipurpose case and ream paper (item nos. 513096 and 513099), computers, tablets, Chromebooks, Apple®, Beats™, Bose®, Amazon products, Roku®, Steelcase®, Canon® ink, Epson® ink and toner, HP ink and toner, printers, fax and copier machines, cases of water, Staples® EasyTech(sm), SquareTrade® warranties, gift cards, mobile phones and mobile phone services, phone cards or postage stamps. Each item purchased can only be discounted by one coupon, applied by cashier in order received and prior to tax. Coupon not valid if purchased or sold and must be surrendered. No copies/facsimiles. No cash/credit back. Not valid on prior purchases or purchases made with Staples® Procurement or Convenience Cards. Offer valid on bag SKU's 581100 and 708691. Bag assortment and color varies by store. Expires 1/27/15.