"Gills" 3D FX Transfer - Medium FX Transfers apply with only water and stay on all night. Created by Hollywood FX artists to be the most realistic wound FX on the market. Edges blend into your skin for an ultra realistic effect! Product Description 3D FX Transfers, the revolutionary new prosthetic. This technology garnered Tinsley Transfers an Academy Award for Technical Achievement. Easy to apply, self blending, no need for any glues or messy adhesives and looks absolutely real. FX Transfers are made with ingredients that are recognized as safe. As with any cosmetic, some people may have instances of sensitivity.Test by applying to the inside of the wrist and remove after 30 minutes.