Still looking for a practical and high security door hole cover plate for door viewer, if yes, our peephole cover can meet your need. Adopted of copper material, practical and durable for long time use. The door hole cover plate peephole cover greatly increase the security on entry doors. Features - Color: Golden -Material: Copper - Size: 5.50X3.00X0.50cm/2.16X1.18X0.20in -Application: Suitable for 14~16mm door mirror (16mm inner hole, fixed slot 19mm, outer diameter 30mm) - Peephole cover is specially designed for entry doors, sturdy and durable, and can be used with confidence. - Easy to use, the door viewer can be blocked and opened by gently rotating the door hole privacy cover. - The clever and simple self-adhesive install method design makes peephole viewer protector easy install on the door viewer. - Derived from copper material, door viewer peephole cover is and not easy to fade, serving for a long time. - This protective cover for door viewer peephole can greatly improve the ability of privacy protection. Package list: 1 x peephole cover