A heavy-duty bag for hauling your books around...they also work great for groceries. These cotton bags are made from 100% natural, unbleached cotton; with gusseted sides and a flat bottom. With lock-stitched sewing and heavy-duty cloth handles; the bags fold flat and are machine washable. The fabric weight is a strong 10 ounce canvas duck and can easily hold 40 pounds (19 kilos). Made in USA, and measuring 12 inches wide x 16 inches tall x 6 inches deep. Silkscreened in dark blue with the logo of Bluebird Books of Littleton, Colorado.; 12" wide x 16" tall x 6" deep