Protect your binocular optics with soft rubber lens covers designed for most 42mm binoculars. These binocular lens covers are available in objective lens covers, eyepiece lens covers, and complete lens cover sets, providing flexible options for protecting your binocular lenses. Made from soft rubber material, the covers provide a comfortable fit and gentle protection compared with traditional hard plastic lens caps. The objective lens cap features an inner diameter of approximately 2.13 inches (54mm) and fits objective outer diameters around 2.13-2.20 inches (54-56mm) with flexible rubber stretch. The attached retaining ring features approximately 2.09 inches (53mm) inner diameter, helping keep the lens cover securely connected to your binoculars. The eyepiece lens cap fits approximately 1.61-1.69 inches (41-43mm) eyepiece outer diameter and features a 0.59 inch (1.5cm) deep cover design for enhanced protection. With soft rubber construction, reinforced retaining design, and deeper eyepiece coverage, these binocular lens covers are ideal accessories for hunting, bird watching, hiking, camping, and outdoor observation.