Accurate Measuring Measure the outside diameter of the ocular lens outer tube to ensure proper fit. If the diameter is between 42-43 mm, this cover will fit securely. If the measurement differs, select a different size. Protection Cover These covers protect your lenses from rain, dust, and scratches in various weather conditions and environments. They also provide protection during transit and storage. Easy to Install Place the rain guard cover over the ocular lens outer tubes for quick protection. Can be conveniently attached to your binocular strap for easy access. Practical Design The high-quality, flexible cover stretches for a snug fit, ensuring reliable protection for each ocular lens. Designed to cover both eyepieces, offering added lens protection. Lens Accessories Specially designed with fine craftsmanship, serves as an ideal replacement for worn or damaged caps. Includes 1 eyepiece cap and 2 objective lens covers. Specification: Material: Rubber Color: Black Size (approx.): 1.4 x 4.1 x 4.5 cm / 0.55 x 1.61 x 1.77 in (height x inner diameter x outer diameter) Inner diameter x outer diameter: 6 x 5.2 cm / 2.36 x 2.05 in Package Included: 3 pcs x Lens Caps Note: Due to lighting and screen differences, the item's color may vary slightly from the images. Please allow 1-2 cm variation due to manual measurement.