Feature:imported super high quality polycarbonate material ultra-thin ultra-light durable.etch design derived from natural diamond morphology crafted triangular jewelry charm embodies undoubtedly.surface using the flash silver plus UV the strong UV curing processing color stability timeless scratch-resistant acid and alkali easy to clean.The hole bit high degree of composite keys easily touch do not scratch the machine does not affect the use of built-in flash to take pictures.