2. Phone Cases:Phone Cases:
Skins and design covers can serve for protection andSkins and design covers can serve for protection and
personalization. These are the result of the relatively "naked"personalization. These are the result of the relatively "naked"
designs produced by manufacturers such as Apple, where the metaldesigns produced by manufacturers such as Apple, where the metal
and glass components of the device are exposed and vulnerable toand glass components of the device are exposed and vulnerable to
damage. They are distinct from holsters, in allowing use of thedamage. They are distinct from holsters, in allowing use of the
device while in the case, but in many instances include a belt clip ordevice while in the case, but in many instances include a belt clip or
other device giving it the functionality of a holster. They are made ofother device giving it the functionality of a holster. They are made of
hard plastic, rubber, silicone, leather, or adhesive-hard plastic, rubber, silicone, leather, or adhesive-
backed vinyl pieces. Vinyl material may be calendared or cast, withbacked vinyl pieces. Vinyl material may be calendared or cast, with
the latter being more expensive. Calendered vinyl is expected tothe latter being more expensive. Calendered vinyl is expected to
only be used for short-mid duration (10 years), while cast vinyl isonly be used for short-mid duration (10 years), while cast vinyl is
used on a more long-term basis.used on a more long-term basis. CalenderedCalendered vinyl also tends tovinyl also tends to
shrink in the heat and can be shaped into any form (above 80shrink in the heat and can be shaped into any form (above 80
degrees Celsius), and may fade in direct sunlight.degrees Celsius), and may fade in direct sunlight.