diff --git a/src/Str.php b/src/Str.php
index 4c25f82..2a52849 100644
--- a/src/Str.php
+++ b/src/Str.php
@@ -166,10 +166,12 @@ class Str
             "\xEF\xBE\xA0"],
     ];
 
-    public function __construct($str) { $this->s = $str; }
+    public function __construct(string $str) { $this->s = $str; }
     public function __toString(): string { return $this->s; }
     public function getString(): string { return $this->s; }
 
+    public static function make(string $str): Str { return new self($str); }
+
     public function substr(int $start = 0, int $length = 0): Str
     {
         $this->s = \mb_substr($this->s, $start, $length !== 0 ? $length : \mb_strlen($this->s));
diff --git a/tests/StrTest.php b/tests/StrTest.php
index 3d1fc0a..747c382 100644
--- a/tests/StrTest.php
+++ b/tests/StrTest.php
@@ -14,6 +14,9 @@ public function testGetString()
         $this->assertEquals((string)$s, 'Hello world');
         $this->assertEquals((string)$s, $s);
         $this->assertEquals($s->getString(), 'Hello world');
+
+        $s = Str::make('Hii');
+        $this->assertEquals((string)$s, 'Hii');
     }
 
     public function testPrefixSuffix()