Switch cover is 3.94 inches/10 cm, 2.56 inches/6.5 cm, and 5.24 inches/13.3 cm.The interior dimensions are 7.5 cm x 7.5 cm / 2.95 in x 2.95 in x 2.95 in x 2.95 in size diagrams. The emergency stop button cover is made plastic, which is strong and , waterproof and dust-proof. The emergency stop button cover adopts a simple and transparent design, and the base is removable.It help you better lock power switches, unlocking them not affect the operation of starting and stopping switches. Button cover can prevent accidental contact with important switches and improve safety.This button cover can be used in homes, offices, shopping malls, factories and more.This is a practical tool to protect the push button switch. Color: As shown Material: plastic Package Contents: 1 set emergency stop button cover Only the above package content, other products are not included. Note: Light reflection 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.