TEEFAN Plastic Adjustable Pupil and Focal Distance Google Cardboard Virtual Reality Headset Game Movie Video 3D Glasses with QR Code for iPhone Samsung HTC Nexus LG with Head Strip (Black) This 3D VR glasses is made of high quality plastic. Big size of lens to get wider FOV and immersive experience. Adjustable focal and pupil distance helps to get the best images. The full amount headband wears comfortable and decrease the press on bridge of nose while watching moving or playing games. The phone screen size within 5.5 inches is appliable.