30 32mm Diameter Telescope Eyepiece Rubber Eye Shields Binoculars Eye Guards Microscope Eye Cup Protector 29-33mm

Specification:

Material: Rubber 

Color: Black

Diameter: 30mm, 32mm for choosing

Suit for about 29-33mm diameter telescope eyepiece lens

Package:

2PCS Rubber Eye Cup (Eyepiece not included!!!)