Prevent drowsiness on the road with these Driving Night Vision Glasses Choose from 1 or 2 pack  Designed for safe driving in the evening and at night Polarised lenses Aim to provide less tension, thereby avoiding fatigue overload Aims to prevent drowsiness while driving Suitable for people with and without vision problems Designed to be superimposed on glasses while driving Clear and limpid glass Ideal in low light and foggy conditions Very light and resistant bezel May help protect against fatigue and headaches Weight: 0.260kg Dimensions of the box: 18cm x 6cm x 6cm   Buying Options:  6.99 pounds instead of 11.99 pounds for 1 pack - save 42%  9.99 pounds instead of 22.99 pounds for 2 pack - save 57%