diff --git a/sessions.go b/sessions.go
index fe0d2bc..cde3c0a 100644
--- a/sessions.go
+++ b/sessions.go
@@ -22,14 +22,15 @@ const flashesKey = "_flash"
 //
 // Fields are a subset of http.Cookie fields.
 type Options struct {
-	Path   string
-	Domain string
+	Path     string
+	Domain   string
 	// MaxAge=0 means no 'Max-Age' attribute specified.
 	// MaxAge<0 means delete cookie now, equivalently 'Max-Age: 0'.
 	// MaxAge>0 means Max-Age attribute present and given in seconds.
-	MaxAge   int
-	Secure   bool
-	HttpOnly bool
+	MaxAge    int
+	MaxLength int
+	Secure    bool
+	HttpOnly  bool
 }
 
 // Session --------------------------------------------------------------------
diff --git a/store.go b/store.go
index 4ff6b6c..b1cf3c2 100644
--- a/store.go
+++ b/store.go
@@ -127,6 +127,19 @@ func (s *CookieStore) MaxAge(age int) {
 	}
 }
 
+// MaxLength sets the maximum length for the store and the underlying cookie
+// implementation.
+func (s *CookieStore) MaxLength(length int) {
+	s.Options.MaxLength = length
+
+	// Set the maxAge for each securecookie instance.
+	for _, codec := range s.Codecs {
+		if sc, ok := codec.(*securecookie.SecureCookie); ok {
+			sc.MaxLength(length)
+		}
+	}
+}
+
 // FilesystemStore ------------------------------------------------------------
 
 var fileMutex sync.RWMutex