diff --git a/README.md b/README.md
index 65bdd12..c1bf37b 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,13 @@ var rows = [{
   - horizontalAlignment: <String> - left, center, right, fill, justify
   - fontName: <String> Nome da fonte
   - fontSize: <Number> tamanho da fonte
+  - fontColor: <String> Cor da Fonte.
+  Acesse https://poi.apache.org/apidocs/org/apache/poi/ss/usermodel/IndexedColors.html para lista de opções
+  - size: <Number> Tamanho da coluna. É utilizado quando a opção autoSize possui o valor `false`,
+  - backgroundColor: <String> Cor de fundo da célula. Acesse https://poi.apache.org/apidocs/org/apache/poi/ss/usermodel/IndexedColors.html para lista de opções
+  - unlocked: <Boolean> Seta a célula como desbloqueada. Só funciona quando uma senha é atribuida para a planilha.
+  - verticalAlignment: <String> top, center, bottom
+  - formula: <Boolean> Quando ativo pega o valor da célula e aplica como uma fórmula
   - bold: <Boolean> se será negrito ou não.
   - italic: <Boolean> se será itálico ou não
   - striked: <Boolean> se terá strikethrough
@@ -71,6 +78,9 @@ var metadata = { //Opcional
         horizontalAlignment: 'center',
         fontName: 'Colibri'
     },
+    rowStyle: { // Estilos específica da linha
+        height: 1000 // Altura das linhas da planilha
+    }
     style: { //Estilo padrão que será aplicado a todas as celulas
         fontName: 'Courrier New',
     },
@@ -87,8 +97,15 @@ var metadata = { //Opcional
             striked: true,
         },
         salario: {
-            type: 'currency'
+            type: 'currency',
+        },
+        somatoria: {
+            formula: true
         }
+    },
+    sheetProperties : { // Configurações específicas da sheet
+      password: '123', // Senha, que ao ser setada bloqueia toda a planilha. Utilize a propriedade `unlocked` para desbloquear as células de uma coluna
+      name: 'Planilha 1' // nome da aba
     }
 };
 
@@ -113,7 +130,7 @@ var metadata = { //Opcional
  O primeiro argumento pode ser:
   -  <String> Path do arquivo
   - <java.io.InputStream> stream da planilha
-  - <byte[]> bytes da planilha 
+  - <byte[]> bytes da planilha
 */
 var jsonPlanilha = xlsx.read('./planilha.xlsx', metadata);
-```
\ No newline at end of file
+```
diff --git a/brief.json b/brief.json
index 3d77a19..234eac8 100644
--- a/brief.json
+++ b/brief.json
@@ -2,7 +2,7 @@
   "name": "xlsx",
   "description": "Biblioteca de modelagemd e xlsx",
   "path": "dist",
-  "version": "0.0.3",
+  "version": "0.0.5",
   "author": "Bruno Machado",
   "dependencies": {
     "jars": [
@@ -16,4 +16,4 @@
       "org.apache.xmlbeans:xmlbeans:2.6.0"
     ]
   }
-}
\ No newline at end of file
+}
diff --git a/dist/create.js b/dist/create.js
index 127c9c0..84cb7ec 100644
--- a/dist/create.js
+++ b/dist/create.js
@@ -1,8 +1,11 @@
 var ByteArrayOutputStream = Java.type('java.io.ByteArrayOutputStream');
 var CellType = Java.type('org.apache.poi.ss.usermodel.CellType');
 var HorizontalAlignment = Java.type('org.apache.poi.ss.usermodel.HorizontalAlignment');
+var VerticalAlignment = Java.type('org.apache.poi.ss.usermodel.VerticalAlignment');
 var XSSFFont = Java.type('org.apache.poi.xssf.usermodel.XSSFFont');
 var XSSFWorkbook = Java.type('org.apache.poi.xssf.usermodel.XSSFWorkbook');
+var IndexedColors = Java.type('org.apache.poi.ss.usermodel.IndexedColors');
+var FillPatternType = Java.type('org.apache.poi.ss.usermodel.FillPatternType');
 
 var DEFAULT_DATE_FORMAT = 'DD/MM/yyyy';
 var DEFAULT_TIME_FORMAT = 'HH:MM';
@@ -10,11 +13,15 @@ var DEFAULT_DATETIME_FORMAT = DEFAULT_DATE_FORMAT + ' ' + DEFAULT_TIME_FORMAT;
 
 var DEFAULT_CURRENCY_FORMAT = 'R$ #,##0.00';
 
-var FONT_OPTION_NAMES = ['fontName', 'fontSize', 'bold', 'italic', 'striked', 'underline', 'doubleUnderline'];
+var FONT_OPTION_NAMES = ['fontName', 'fontSize', 'fontColor', 'bold', 'italic', 'striked', 'underline', 'doubleUnderline'];
 var FONTS_CACHE = {};
 var STYLES_CACHE = {};
 
 function create(rows, metadata) {
+  
+  FONTS_CACHE = {};
+  STYLES_CACHE = {};
+  
   metadata = Object.assign({
     asByteArray: true,
     autoSize: true,
@@ -29,21 +36,44 @@ function create(rows, metadata) {
     var createHelper = wb.getCreationHelper();
     var sheet = wb.createSheet();
 
+    var sheetProperties = metadata.sheetProperties;
     var columnsMD = metadata.columns;
     var generalStyle = metadata.style;
     var headerStyleMD = metadata.headerStyle;
+    var rowStyle = metadata.rowStyle;
+
+    if (sheetProperties) {
+      if (sheetProperties.password) {
+        sheet.protectSheet(sheetProperties.password);
+        sheet.lockDeleteColumns(true);
+        sheet.lockInsertColumns(true);
+      }
 
-    rows.forEach(function (row, index) {
+      if (sheetProperties.name) {
+        wb.setSheetName(0, sheetProperties.name);
+      }
+    }
+
+    rows.forEach(function(row, index) {
       var sheetHeader = metadata.hasHeader && index == 0 ? sheet.createRow(0) : null;
       var sheetRow = sheet.createRow(metadata.hasHeader ? index + 1 : index);
 
-      Object.keys(row).forEach(function (key, cellIndex) {
+      Object.keys(row).forEach(function(key, cellIndex) {
         var value = row[key];
         var valueClass = value && value.constructor.name;
 
         var columnMD = columnsMD && columnsMD[key];
 
+        if (rowStyle && rowStyle.height) {
+          sheetRow.setHeight(rowStyle.height);
+        }
+
         if (sheetHeader != null) {
+
+          if (headerStyleMD && headerStyleMD.height) {
+            sheetHeader.setHeight(headerStyleMD.height);
+          }
+
           var style = Object.assign({}, generalStyle, columnMD, headerStyleMD);
 
           var headerCell = createCell(wb, sheetHeader, cellIndex, style, createHelper, valueClass);
@@ -57,15 +87,32 @@ function create(rows, metadata) {
 
         var style = Object.assign({}, generalStyle, columnMD);
         var cell = createCell(wb, sheetRow, cellIndex, style, createHelper, valueClass);
-        setTypedValue(cell, value, valueClass);
+
+        var formula = (columnMD && columnMD.formula) ? columnMD.formula : null;
+        setTypedValue(cell, value, valueClass, formula);
       });
     });
 
     if (metadata.autoSize) {
       var headerRow = sheet.getRow(0);
-      headerRow.cellIterator().forEachRemaining(function (cell) {
+      headerRow.cellIterator().forEachRemaining(function(cell) {
         sheet.autoSizeColumn(cell.getColumnIndex());
       });
+    } else {
+      var headerRow = sheet.getRow(0);
+      headerRow.cellIterator().forEachRemaining(function(cell) {
+        var columnsKeys = Object.keys(columnsMD);
+        var columnIndex = cell.getColumnIndex()
+
+        if (columnsMD && columnsKeys.length > 0) {
+          var columnMD = columnsMD[columnsKeys[columnIndex]]
+          if (columnMD.size && columnMD.size.toString().toUpperCase() === 'AUTO') {
+            sheet.autoSizeColumn(cell.getColumnIndex());
+          } else if (!isNaN(columnMD.size) && columnMD.size >= 0) {
+            sheet.setColumnWidth(cell.getColumnIndex(), columnMD.size);
+          }
+        }
+      });
     }
 
     if (metadata.asByteArray) {
@@ -90,12 +137,12 @@ function createCell(wb, sheetRow, cellIndex, style, createHelper, valueClass) {
   if (Object.keys(style).length) {
     var cacheKey = JSON.stringify(style);
     var cellStyle = STYLES_CACHE[cacheKey];
-  
+
     if (!cellStyle) {
       cellStyle = wb.createCellStyle();
-      
+
       updateCellStyle(wb, cellStyle, style, createHelper);
-      
+
       STYLES_CACHE[cacheKey] = cellStyle;
     }
 
@@ -110,10 +157,19 @@ function updateCellStyle(wb, cellStyle, options, createHelper) {
     return;
   }
 
+  if (options.backgroundColor) {
+    cellStyle.setFillForegroundColor(IndexedColors[options.backgroundColor.toUpperCase()].getIndex());
+    cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
+  }
+
   if (options.format) {
     cellStyle.setDataFormat(createHelper.createDataFormat().getFormat(options.format));
   }
 
+  if(options.unlocked) {
+    cellStyle.setLocked(false);
+  }
+
   var font = resolveFont(wb, options);
 
   if (font) {
@@ -123,6 +179,9 @@ function updateCellStyle(wb, cellStyle, options, createHelper) {
   if (options.horizontalAlignment) {
     cellStyle.setAlignment(HorizontalAlignment[options.horizontalAlignment.toUpperCase()]);
   }
+  if (options.verticalAlignment) {
+    cellStyle.setVerticalAlignment(VerticalAlignment[options.verticalAlignment.toUpperCase()]);
+  }
 }
 
 function resolveFont(wb, options) {
@@ -130,7 +189,7 @@ function resolveFont(wb, options) {
     return undefined;
   }
 
-  var fontOpts = FONT_OPTION_NAMES.reduce(function (map, optName) {
+  var fontOpts = FONT_OPTION_NAMES.reduce(function(map, optName) {
     if (options[optName]) {
       map[optName] = options[optName];
     }
@@ -171,6 +230,10 @@ function resolveFont(wb, options) {
         font.setUnderline(0x22);
       }
 
+      if (fontOpts.fontColor) {
+        font.setColor(IndexedColors[fontOpts.fontColor.toUpperCase()].getIndex());
+      }
+
       FONTS_CACHE[key] = font;
     }
   }
@@ -198,7 +261,8 @@ function resolveDataFormat(options, valueClass) {
   }
 }
 
-function setTypedValue(cell, value, valueClass) {
+function setTypedValue(cell, value, valueClass, formula) {
+
   if (value === null || value === undefined) {
     cell.setCellType(CellType.BLANK);
     return;
@@ -208,7 +272,13 @@ function setTypedValue(cell, value, valueClass) {
     value = new java.util.Date(value.getTime());
   }
 
-  cell.setCellValue(value);
+  if (formula) {
+    cell.setCellType(CellType.FORMULA);
+    cell.setCellFormula(value);
+  } else {
+    cell.setCellValue(value);
+  }
+
 }
 
-exports = create;
\ No newline at end of file
+exports = create;