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diff --git a/lib/axlsx/stylesheet/cell_protection.rb b/lib/axlsx/stylesheet/cell_protection.rb
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+++ b/lib/axlsx/stylesheet/cell_protection.rb
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+module Axlsx
+  # CellProtection stores information about locking or hiding cells in spreadsheet.
+  # @note Using Styles#add_style is the recommended way to manage cell protection.
+  # @see Styles#add_style
+  class CellProtection
+    
+    # specifies locking for cells that have the style containing this protection
+    # @return [Boolean]
+    attr_accessor :hidden
+
+    # specifies if the cells that have the style containing this protection
+    # @return [Boolean]
+    attr_accessor :locked
+
+    # Creates a new CellProtection
+    # @option options [Boolean] hidden value for hidden protection
+    # @option options [Boolean] locked value for locked protection
+    def initialize(options={})
+      options.each do |o|
+        self.send("#{o[0]}=", o[1]) if self.respond_to? "#{o[0]}="
+      end
+    end
+    def hidden=(v) Axlsx::validate_boolean v; @hidden = v end    
+    def locked=(v) Axlsx::validate_boolean v; @locked = v end    
+
+    # Serializes the cell protection
+    # @param [Nokogiri::XML::Builder] xml The document builder instance this objects xml will be added to.
+    # @return [String]
+    def to_xml(xml)
+      xml.protection(self.instance_values)
+    end
+  end
+end