Cul inary Concepts is a US condiment packaging company that pioneered the introduction of egg yolk lemon curd and custard products in aseptic carton packs in the United States. The shelf life of lemon sauce in a refrigerated environment can be as long as a year. After opening, the product has only a 7-day cold storage period. Thanks to the use of Tetra Pak's Recap3 polyethylene material, the closure can be opened repeatedly. The packaging box uses thick paper polyethylene, aluminum foil and other materials. Total 6 floors. Among them, the outermost paperboard is printed with 5 colors flexo printing. Reprinted from Printing Technology Special Nuts With Four Holes,Hexagon Nuts,Wire Thread Insert,Non-Standard Nut XINXING FASTENERS MANUFACTURE CO.,LTD , http://www.hex-bolts.com