http://forum.lowyat.net/index.php?showtopic=2400562&hl= 

This is a HTC One X QuickSand Hard Back Case. Although it is not the original Rock QuickSand series but the quality and feel are comparable yet provide great affordability to One X users

Colors Available - Pink, Blue, Black

Case Features
1.This quicksand hard back cover is made of high quality polycarbonate that is extremely thin and lightweight, yet very protective of your mobile phone at the same time.
2.Surface special baking finish, like quicksand setting in it, matt floss hand feeling, wear-resistant, cold-resistant, not easy to be aged.
3.Hole location match with the height, not scratching the phone, not influencing the sun of built-in flash light.
4.Color steady, hand feeling exquisite, no finger print, no swear stains.