9" x 12" 6 Mil Ziplock Bags with White Block

These 9" x 12" 6-mil white block zip lock bags are ideal for heavy duty applications where packaged or stored items need to be labeled and protection from outside contaminants. These white block Clearzip 9 x 12 .006 mil ziplock bags are perfect for custom orders, indicating manufacturing dates, packaged items with sharp edges, as well as labeling heavy weight parts and samples. The Ziploc bag's White-Block area accepts marker, rubber stamp, grease pencil, or pen. The side-welded white block zipper top bag seal reinforces the bags zipper for added strength and insures these 9in. x 12in. 6mil ziploc bags with white block are resealable and reusable, no matter how many times the bag is opened and closed. All 6mil Clearzip plastic zipper bags with white block writing area meet FDA/USDA specifications for food contact.