Crystal pearls by Swarovski are timeless. The magic coating put on these crystals turns them into realistic faux pearls! The crystal also helps by adding extra weight to match that of a real pearl. These crystal pearls actually warm to your skin when worn and are resistant to perfumes and UV rays. Swarovski's article-5811 pearls have a larger hole-size for optimum usage. Now these pearls can be added to fun Fibers and other thicker stringing materials. The sky is the limit with Artbeads.com and Swarovski crystal pearls. Inner hole-size measures 1.32mm in diameter as compared to Swarovski's standard hole-size on Article 5810 crystal pearls at 0.81mm.