I hope that we'll see updated research on the protection of silicone. For all you members looking to create your own silicone stretching sleeve, here's a fairly straightforward system to achieve that. I am aware of, there's so much controversy... moreI hope that we'll see updated research on the protection of silicone. For all you members looking to create your own silicone stretching sleeve, here's a fairly straightforward system to achieve that. I am aware of, there's so much controversy surrounding plastic toys and BPA and a variety of harmful products, etc.. Here we've collected 12 cheap silicone babies, a few of which look very realistic, while some are simply lovely. Nothing was hollowed out, she's solid silicone.