P + R keys refers to a combination of plastic and silicone rubber composition of the keys.
P is Refers Plastic (plastic), R refers Rubber (rubber).
Injection molded plastic key caps, by printing or injection, laser carving, punching  And other processes
the formation of different colors, different fonts or patterns
And oil Molding silicone lining are bonded together
This button is the most suitable use: key dictionary, learning machine keys,Phone keypad, banking password
control buttons, tablet buttons, electronic book button.
P + R key advantages are: elegant appearance, texture, tough, can enterLine multi-processing technology
to produce different results.