The quality and high transparency of our crystals will introduce you to the amazing world of sub-surface engraving.
Links
[1] http://www.les.com.hk/sites/default/files/PSH%20P228%20-%20Pink%20coloured%20heart-shaped%20phone%20strap.jpg
[2] http://www.les.com.hk/collection/corporate-engraving-services/crystal-phone-strap