POLKADOT P-Dot High-Tech Mushroom Chocolate Molds Tray for Edibles DIY Items are Non-Refundable and Non-Exchangeable. POLKADOT P-Dot High-Tech Mushroom Chocolate Molds Tray for Edibles DIY In its basic form, Mylar® is a clear material made from polyester resin. The silver effect comes from a lamination to foil or a metalized ...