10-9/16 x 11 inch. Stronger (when shaken, dropped or stacked) seal than Ziploc bags (Ziploc is a registered trademark of S.C. Johnson & Son, Inc). Maxlock track design. Extra strong seal. Easy to open or close in one simple sliding motion. Clicks closed so you know it's closed. Zipping sound indicates the seal is secure. 100% recycled paperboard. Please recycle. Made in the USA.