Fresh World Vacuum Sealer Roll 13" x 50' BPA Free LFGB approved, BPA free Heavy Duty Commercial Grade Textured / Embossed for best performance Cut the bags to a convenient size, no wasted material. Once the seal has been broken the bag is simmer and microwave safe - Do not, put the bag into microwave if it's still vacuumed and sealed. Specifications - Actual Dimensions - 11.0" W x 50' L 3 1/8" Dia Super thick 90um (micrometer) or 3.54 mils (thousandth of an inch). Cut to Convenient Sizes to keep the air out; freshness, flavor and nutrition in Designed to work with all the Vacuum Sealers as long the size fits. Super thick 90um (micrometer) or 3.54 mils (thousandth of an inch). Works with FoodSaver and All Vacuum Sealers. Preserve Food and Save Money.