Rolling Stone Exotics X-Men Flower Packaging 3.5 Mylar Bag *Empty Bags* (CaSupply) (#C2S) Items are Non-Refundable and Non-Exchangeable. Rolling Stone Exotics X-Men Flower Packaging 3.5 Mylar Bag *Empty Bags* (CaSupply) (#C2S) In its basic form, Mylar® is a clear material made from polyester resin. The silver effect comes from a ...