Silicone implant.
This is the ultimate "silicone is not silicon" sample. Yes, it's a silicone implant. If you don't know what it's for, you're probably too young to know. Source:Max Whitby of RGB Contributor:Max Whitby of RGB Acquired:17 April, 2009 Text Updated:23 November, 2009 Price: Donated Size: 5" Purity: <37% Sample Group:Medical