These storage bags feature tight sealing double-zippers, write-on-labels, and are designed and tested to hold up in the toughest conditions. Proven to help keep food fresher - longer, and lock in flavor. With a global reputation for food storage technology and professional-grade durability, CRYOVAC® brand resealable storage bags in convenient commercial packs help save both food and money. Microwavable when used as directed. 1.68 mil. minimum thickness. 100 count. Bags measure 12 7/8” x 15 7/16” (32.7 cm x 39.2 cm). FDA Approved, Kosher Certified, and BPA Free.