Feel It Lock!? 12 Bags - 13 in. x 15 5/8 in. (33.02cm x 39.68cm). Unique interlocking zipper...Feel It Lock!? Write-on label. Microwavable when defrosting and reheating (open zipper 1" to vent). Introducing Other Ziploc® Brand Products - Available in Freezer, Storage, Sandwich and Snack bags. Also look for NEW Ziploc® brand Slide-Loc bags and Ziploc® Containers.