You may need several sessions at your dentist to get the desired result.  The first session is to consult and examine the condition of your teeth, suggest the appropriate procedure for you and discuss the result you desire.

The second session is for preparation. The length of this phase depends on the condition of your teeth and whether they need to be built with fillings.

The doctor files a very thin layer of tooth enamel (depending on the size of the veneers to be installed) so that the tooth does not look bulky after the installation. 

He then starts taking measurements of your teeth in order to form veneers, by using a paste-like substance to make a mold for your teeth from inside your mouth.  

The third session is installation; the doctor installs the veneers on your teeth and makes sure they fit the desired size and color.

After the patient approves the final form, the doctor begins to prepare the teeth for installation by cleaning them, applying the adhesive, and fixing the veneers permanently.

They are thin porcelain veneers, placed on the surface of the teeth to change the color, shape, and size of the tooth, or even to fill the voids of the teeth.
E-max peels last for 10 to 15 years with constant care.
These veneers are one of the latest and most durable treatments used in cosmetic dentistry.