Fujinylon Poly Vacuum Bags FNP1826 180 x 260mm, 75μ thickness, 200 sheets 2 packs of 100 sheets each Suitable for high temperatures (100°C for 30 minutes) to low temperatures (-40°C) Uses: Processed foods, marine products, frozen foods, ice, pickles, boiled beans, side dishes, konjac, rice, etc. Brand new, unused, and unopened, but please note that there may be scratches or tears on the outer packaging due to the products being stacked together. Please refrain from purchasing if you are concerned about this. (Precautions for use) ● Some household machines may have weak suction power and may not create a good vacuum. In this case, using a drain net at the opening may help to create a good vacuum. Please search online for more information. ● If you don't need a vacuum, you can simply seal the bag with a general sealer. ● Household vacuum packaging machines that use the bumps on the inside of the bag, such as FoodSaver, to compensate for weak suction power may not provide sufficient sealing strength. In this case, using a drain net at the opening may help to create a good vacuum. Please search online for more information. ● When purchasing, please be sure to compare the thickness of the bag with the bags you have used before to ensure that the strength is sufficient.