"White silicone" refers to a type of material that is usually used to seal or bond objects together. It is a white-colored substance that becomes rubber-like when it dries. Full definition
The women's model also comes with rose gold, steel and white silicone strap or rose gold and a polished bracelet. (pocket-lint.com)
you can get special discount for White Silicone Soft Skin and Pink / White Polka Dots Hard TUFF Design Hybrid Cell Phone Protector Case Cover for Apple iPhone 5. (invictamenswatches.freeblog.biz)
Michael Kors introduced four new colors for the Access Sofie — a blush rose - gold tone, brilliant blue sky, two - tone rose gold, and a gold - tone with white silicone - wrapped links. (digitaltrends.com)