5-5/8" X 8 1/4" 1.2mil Lip & Tape Self Sealing Bags - 1.6 mil Thick | Quantity: 1000 Width 5 5/8" - Clear "cello" bags made of 100% virgin, high clarity polypropylene film. Polypropylene is a material that has FDA approval for food packaging.These bags are closed with a peel-off strip that reveals a sticky band. You then fold over the longer flap on the bag and the bag seals but can be reopened. Also available in 1.6 mil thickness: Heavy Duty Lip & Tape Self Sealing Bags - 1.6 MilDue to manufacturing tolerances, the dimensions may vary from 1/16" to 1/8". Measurements shown below are the measurements when the bags are sealed. Bag sizes are listed width then height. The width is across the opening of the bag and is where the seal is located.Standard Lip & Tape Self Sealing Bags - 1.2 Mil are made of recyclable BOPP (biaxially-oriented polypropylene).