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.