Features: Color: Black Size: . 15 * 5cm/ 5.9x1.96 inch Great for hiking, rock climbing, tourism and so on Polarization function is good, clear vision According to ergonomic design, the glasses legs is non- and flexible, make you more comfortable to wear The prisms allow climber to view upwards without having to crane their neck backwards With these glasses, climbers are to see the road on the head while looking straight ahead Adopt reflective principle, need not sit up, lie on the bed can also enjoy watching TV or books, more comfortable and convenient Type: Wall Equipment Material: plastic frame + glass material Package Contents: 1 * glasses Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.