Need bags for your Swingline shredder? Why waste time using thin, flimsy bags that can easily tear and break leaving you wasting time cleaning up a mess in your office or work area. Our heavy duty, reinforced Whitaker Brothers shred bags are the answer. Whitaker Brothers guarantees our shred bags will fit your Swingline DM12-13 or return them for a full refund. And be sure to order our WBBM-55 shredder oil, available in pints or economical gallons to keep you shredder running smoothly.