This universal phone holder is compatible with most popular mobile phones and smart phone models. Large enough for example to take the Samsung Galaxy Note, Sony Xperia, BlackBerry Z10, HTC One and iPhone 4. The internal dimensions are 140mm x 80mm x 25mm. It has a large cover flap with wide hook and loop fastening allowing you to adjust the holder to different mobile phones. It has a triple layer construction, 1680 denier polyester externally for toughness and a soft internal lining to protect the phone screen from scratches and damage.