To order a bag of 6 Black Only bands to fit the second generation Grand Band (GB 1800, GB 4000, GB 6000, GB 7000 and GB 8000) please order this item. These Rubber Bands Will Only Fit Grand Bands That Are 7/16" Wide. Shipping and Handling: Up to 3 bags - $ 3.25. Over 3 Bags - $ 4.50. All Replacement Bands are shipped 1st Class Mail.