Item Size: 55 x 55 x 95mm /2.1x2.1x3.7 inches. Color: Black.
Material: Rubber eye piece constructed for maximum comfort of your eye. Eye protector is made of soft rubber that doesn't hurt your binoculars or other devices, providing ample flexibility as comfortable cushion and protection for the eye area against recoil.
Application: Suitable for 40mm ocular lens optics scope. Quick installation.
Design: Relieve Eye Strain by Blocking Glare or Enhancing Low Light, Improve Focus by Eliminating Distractions from Peripheral Movement. Help create the perfect distance between the eye and the reach.