Goufride Do you feel nervous while a webcam is pointing at you even it is turned off? You don't intend to use it but worried whether it is turned on and capturing somethings.This is designed to solve this issue. Physical cover on the webcam to confirm it can capture when you don't need to use it.Size: 1.06 x 0.91 x 0.16 in (27x23x4mm )Inside diameter0.75inch 19mmColour: BlackMaterial: ABSNoteThis fits for the webcam with a flat lens , but not for the webcam with a protruding lens.Package Contents:4 * Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.