diff --git a/R/shiny-material-text-box.R b/R/shiny-material-text-box.R
index 7a1f8a4..b48d9e4 100644
--- a/R/shiny-material-text-box.R
+++ b/R/shiny-material-text-box.R
@@ -3,77 +3,56 @@
 #' Build a shinymaterial text box.
 #' @param input_id String. The input identifier used to access the value.
 #' @param label String. The text box label.
+#' @param value String. Initial value.
 #' @param color String. The accent color of the text box. Leave empty for the default color. Visit \url{http://materializecss.com/color.html} for a list of available colors. \emph{This input requires using color hex codes, rather than the word form. E.g., "#ef5350", rather than "red lighten-1".}
 #' @param icon String. The name of the icon. Leave empty for no icon. Visit \url{http://materializecss.com/icons.html} for a list of available icons.
+#' @param disabled FALSE by default, if TRUE the text box is disable.
 #' @seealso \code{\link{update_material_text_box}}
 #' @examples
 #' material_text_box(
 #'   input_id = "example_text_box",
 #'   label = "text box",
 #'   icon = "search",
-#'   color = "#ef5350"
+#'   color = "#ef5350",
+#'   disabled = FALSE
 #' )
-material_text_box <- function(input_id, label, color = NULL, icon = NULL){
-  if (!is.null(color)) {
-
-    if (!is.null(icon)) {
-      icon_style_color <- paste0(
-      "#", input_id, "_text_box.input-field .prefix.active {
-      color: ", color, ";
-      }"
-      )
-    } else {
-      icon_style_color <- ""
-    }
-
-    text_box_style <-
-      shiny::tagList(
-        shiny::tags$head(
-          shiny::tags$style(
-            paste0(
-              "
-              #", input_id, "_text_box.input-field input[type=text]:focus + label {
-              color: ", color, ";
-              }
-              #", input_id, "_text_box.input-field input[type=text]:focus {
-              border-bottom: 1px solid ", color, ";
-              box-shadow: 0 1px 0 0 ", color, ";
-              }
-              ",
-              icon_style_color
-            )
+material_text_box <- function(input_id, label, value = "", color = NULL, icon = NULL, disable = FALSE){
+  
+  css_id <- paste0("#", input_id, "_text_box.input-field")
+  text_box_style <- if (!is.null(color))
+    shiny::tagList(
+      shiny::tags$head(
+        shiny::tags$style(
+          paste0(
+            css_id, " input[type=text]:focus + label {color: ", color, ";}",
+            css_id, " input[type=text]:focus {border-bottom: 1px solid ", color, ";box-shadow: 0 1px 0 0 ", color, ";}",
+            if (!is.null(icon)) 
+              paste0(css_id, " .prefix.active {color: ", color, ";}")
           )
         )
       )
-
-  } else {
-    text_box_style <- shiny::tags$div()
-  }
-
-  if (!is.null(icon)) {
-    text_box_icon <- shiny::tags$i(class = "material-icons prefix", icon)
-  } else {
-    text_box_icon <- shiny::tags$div()
-  }
-
+    )
+  
+  text_box_icon <- if(!is.null(icon)) 
+    shiny::tags$i(class = "material-icons prefix", icon)
+  
+  text_box_input <- shiny::tags$input(
+    id = input_id, type = "text", 
+    class = "validate", value = value
+  )
+  
+  if (disable) text_box_input <- shiny::HTML(sub("<input", "<input disabled", text_box_input))
+  
   create_material_object(
-    js_file =
-      "shiny-material-text-box.js",
+    js_file = "shiny-material-text-box.js",
     material_tag_list =
       shiny::tagList(
         shiny::tags$div(
           class = "input-field",
           id = paste0(input_id, "_text_box"),
           text_box_icon,
-          shiny::tags$input(
-            id = input_id,
-            type = "text",
-            class = "validate"
-          ),
-          shiny::tags$label(
-            `for` = input_id,
-            label
-          )
+          text_box_input,
+          shiny::tags$label(`for` = input_id, label)
         ),
         text_box_style
       )
diff --git a/R/update-shiny-material-text-box.R b/R/update-shiny-material-text-box.R
index a3f6d65..ae9f4d3 100644
--- a/R/update-shiny-material-text-box.R
+++ b/R/update-shiny-material-text-box.R
@@ -4,23 +4,29 @@
 #' @param session The session object passed to function given to shinyServer.
 #' @param input_id The input_id of the material_text_box.
 #' @param value The value to set for the material_text_box.
+#' @param disabled NULL by default (do nothing), if TRUE the text box is disable and if FALSE, enable.
 #' @seealso \code{\link{material_text_box}}
 #' @examples
 #' \dontrun{
 #' update_material_text_box(
 #'   session,
 #'   input_id = "example_text_box",
-#'   value = "New Text"
+#'   value = "New Text",
+#'   disabled = FALSE
 #' )
 #' }
-update_material_text_box <- function(session, input_id, value = NULL){
-  if(is.null(value)) {
-    return(NULL)
+update_material_text_box <- function(session, input_id, value = NULL, disabled = NULL){
+  
+  if(!is.null(disabled)){
+    js_code <- paste0("$('#", input_id, "').prop( 'disabled', ", tolower(disabled), " )")
+    session$sendCustomMessage(type = "shinymaterialJS", js_code)
   }
-  session$sendCustomMessage(
-    type = "shinymaterialJS",
-    paste0(
-        "$('#", input_id, "').val('", value, "');Shiny.onInputChange('", input_id, "', '", value, "');M.updateTextFields()"
+  
+  if(!is.null(value)){
+    js_code <- paste0(
+      "$('#", input_id, "').val('", value, "');Shiny.onInputChange('", input_id, "', '", value, "');M.updateTextFields()"
     )
-  )
+    session$sendCustomMessage(type = "shinymaterialJS", js_code)
+  } 
+  
 }
diff --git a/man/material_text_box.Rd b/man/material_text_box.Rd
index 4480ea1..51f2a16 100644
--- a/man/material_text_box.Rd
+++ b/man/material_text_box.Rd
@@ -4,16 +4,27 @@
 \alias{material_text_box}
 \title{Create a shinymaterial text box}
 \usage{
-material_text_box(input_id, label, color = NULL, icon = NULL)
+material_text_box(
+  input_id,
+  label,
+  value = "",
+  color = NULL,
+  icon = NULL,
+  disable = FALSE
+)
 }
 \arguments{
 \item{input_id}{String. The input identifier used to access the value.}
 
 \item{label}{String. The text box label.}
 
+\item{value}{String. Initial value.}
+
 \item{color}{String. The accent color of the text box. Leave empty for the default color. Visit \url{http://materializecss.com/color.html} for a list of available colors. \emph{This input requires using color hex codes, rather than the word form. E.g., "#ef5350", rather than "red lighten-1".}}
 
 \item{icon}{String. The name of the icon. Leave empty for no icon. Visit \url{http://materializecss.com/icons.html} for a list of available icons.}
+
+\item{disabled}{FALSE by default, if TRUE the text box is disable.}
 }
 \description{
 Build a shinymaterial text box.
@@ -23,7 +34,8 @@ material_text_box(
   input_id = "example_text_box",
   label = "text box",
   icon = "search",
-  color = "#ef5350"
+  color = "#ef5350",
+  disabled = FALSE
 )
 }
 \seealso{
diff --git a/man/update_material_text_box.Rd b/man/update_material_text_box.Rd
index 49cbd4d..09e9750 100644
--- a/man/update_material_text_box.Rd
+++ b/man/update_material_text_box.Rd
@@ -4,7 +4,7 @@
 \alias{update_material_text_box}
 \title{Change the value of a material_text_box on the client}
 \usage{
-update_material_text_box(session, input_id, value = NULL)
+update_material_text_box(session, input_id, value = NULL, disabled = NULL)
 }
 \arguments{
 \item{session}{The session object passed to function given to shinyServer.}
@@ -12,6 +12,8 @@ update_material_text_box(session, input_id, value = NULL)
 \item{input_id}{The input_id of the material_text_box.}
 
 \item{value}{The value to set for the material_text_box.}
+
+\item{disabled}{NULL by default (do nothing), if TRUE the text box is disable and if FALSE, enable.}
 }
 \description{
 Change the value of a material_text_box on the client.
@@ -21,7 +23,8 @@ Change the value of a material_text_box on the client.
 update_material_text_box(
   session,
   input_id = "example_text_box",
-  value = "New Text"
+  value = "New Text",
+  disabled = FALSE
 )
 }
 }