These VacMaster brand vacuum sealing pouches (model 30738) are three millimeters thick and have measurements of 16 inches wide by 24 inches long. VacMaster is an industry leader in vacuum packaging and accessories, and these bags, used correctly, will increase the usable life of foods for up to four times conventional storage methods. Puncture resistant, these pouches are free of B.P.A. and have F.D.A. approval. These nylon-polyethylene bags may be refrigerated, microwaved, frozen, boiled, or used in a sous vide bath. Transparent with a high gloss, these bags ship 500 to an order.