Mystery boxour mystery boxes will have anything from prosthetic wounds, character pieces, sfx essentials , silicone glass, surprises , bondos everybox will be different. All prosthetics are encapsulated using Baldiez (dissolved with Acetone). they are all professionally made to a high standard. they are made using a softened silicone to feel and move just like skin. when applying these prosthetics you can use any of the following adhesives to stick it down: