Putting it on is easy, it withstands scratches but has a major drawback. In flash mode, everything turns white as the light passes through the material's cross-section and becomes like fiber optics... it transmits light all over the little glass! The solution was to cut one corner where the flash is so that the light doesn't pass through it, and the result was excellent!

Very good application, easy. The package includes 4 protectors, just keep in mind that it leaves fingerprints, so clean the camera before using it.

UPDATE (4/11/20):
I definitely recommend it. Almost 3 months later, I am still using the first glass out of the 4.
It is scratch-resistant and does not let dust through.

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It is a very good solution for camera protection.

The glass is quite thin and does not protrude from the "bump" that the factory case has to protect the camera.

The package contains 4 glasses and it is convenient to have a spare. Time will show its durability.