Material: 100% real Bamboo Wood with Polarised UV400 Anti Reflective Lenses
Lens width: 50mm (1.97 inches)
Lens height: 45mm (1.77 inches)
Bridge width: 21mm (0.83 inches)
Arm length: 145mm (5.71 inches)
The hinges have some elasticity
The sunglasses come in a sturdy round bamboo wooden box with a soft pouch and cleaning cloth.