Cheese Cheese is a food product produced from curds of milk. Typically based on cows or sheep milk but can be from a wide range of milk sources and used to produce both hard and soft cheese with many regional variations. CLASSIC+ 316L Stainless Steel Mechanical seals TRA®10 316L Stainless Steel O Ring or Mechanical seals REVOLUTION® 316L Stainless Steel O ring or mechanical seals