This objective lens cover is made of premium rubber material, which can withstand use. Features the rubber material, which has high durability, not easy to deform. Fine workmanship, ensures practicality, effectively protects the telescope lens. Features - Color: Black. - Material: Rubber. - Size: 12.00X6.00X1.00cm/4.72X2.36X0.39inch. -Note: random accessory. - Note: objective lens inner diameter：51.71mm, objective lens outer diameter：45.40mm; eyepiece inner diameter：41.11mm, eyepiece outer diameter：44.88mm. - Protecting the telescope lens , scratch, bump, excellent and practical for you - Easy to put on and simple to remove, will not affect performance, convenient and useful - Replace your old or broken objective lens cover with new one, useful and safe for binoculars - Simple in structure, easy to use, strong and excellent, good protective effect, you can use it with confidence - Small and compact size, light in weight, you can carry and use it wherever you go Package list: 1 Set x Rubber Objective Lens Covers