The Mountain Gorilla Appliance is a Woochie Pro which is the same professional foam latex product used in the film industry and is designed to realistically allow for facial movements and expressions- Use Cinema Secrets Rubber Mask Grease makeup for the desired professional look. Adhere with spirit gum, and apply makeup and FX blood to create the creepy illusion of a gory dead face. Exhumed Foam Prosthetic removes easily with spirit gum remover. Makeup, blood, spirit gum and spirit gum remover sold separately. Easy step-by-step instructions included. WARNING: This product contains natural rubber latex and may cause allergic reaction in latex-sensitive individuals.