Embossed Vacuum Sealing Bag Special air removal channels design for fast and easy vacuuming Safe Bags to use for Food BPA Free Phthalate Free Plasticizer Free Truly food safe bags Sous Food sealed in this bag can be immersed in a water bath and cooked at a very precise, consistent temperature. Sealed food can hold freezing temperature Material Superior Material that is different from any other vacuum sealing roll in the market It is made of the following: PE (Polyethylene ) - material used for plastic bottles that is safe and no BPA PA (Nylon) - that is suitable for food use without BPA RESIN Food safe and FDA compliant very clear high impact coating HDPE (high-density polyethylene) - It has excellent chemical resistant properties making it suitable for a wide range of foods MPE (Metallocene low density polyethylene) - super strong that expand to fit all shapes and sizes. Overall, this vacuum sealing bag rolls is truly safe to use for food. Made with high quality materials to keep the food fresh and safe to eat after storing. The nylon and PE layers are integrated. With this superior material it will have No solvent, no heavy metal residue, no smell Excellent tensile and puncture resistance Total = 12 meters bag rolls 2x 3 meters by 20cm wide bag roll 2x 3 meters by 23cm wide bag roll what's Included - 2x Food Sealer Roll 2x Food Sealer Roll(20cm x 3cm)