<b>Speciallly designed Compatible with iPhone 13 Pro Max/iPhone 12 Pro Max/iPhone 11 Pro Max/iPhone XS Max with a slim case on</b><br> - it comes with RUNBACH lifetime replacement Guarantee. With the premium neoprene material,it will not fall down your arm during a intense exercise,also can stand up to the toughest of workouts and marathons. Take it for yourself or as an excellent gift for someone in your life,You'll find exercise so amazing<br><br> <b>EXTRA VALUES</b><br> Water resistant and sweat resistant <br> Full screen protection and allowing easy access to your phone’s touch screen<br> Built in two regulating slots and one extra Extension strap to FIT FOR MOST ARMS<br> Headphone and charger cutouts allow direct access to the phone through the armband<br> Reflective borders for safe running in low light conditions<br> Its secure built-in hidden key holder is perfect for house or car keys.<br>