The original material - For perfect dry aging of meat, ham, production of fermented products. Manufactured of Tub.10 material - the genuine material from Europe (same as they sell in USA!) Now at home in the refrigerator (at about 3 ° C) with the Lava Dry-Aging-Bags within 3 - 4 weeks turn normal meat by maturing in perfect dry-aged beef. Please notice: This material (Tub. 10) is also excellent for dried ham ans also recommended for: Dried and cured meat; Cooked products and Fermented products. Due to the special Lava diaphragm vacuum bag, which is permeable to water, vapor and flavors will be concentrated throgh the dry-aging process in the bag. In the Lava A-Vac Dry-Aging bag a complex biochemical process takes place. This causes a taste sensation thats the best you have tasted so far. The first bite will seem as if you were eating the first steak of your life. All fine muscle fiber will be very soft. A touch of paradise, from the nose to the palate. Perfect for vacuuming with your L