Material -- Vampire fangs are made of medicinal resin material and fairy ears are made of soft washable latex. Both materials are safe, non-toxic and odorless, and will not cause any harm to the skin and teeth themselves. You can use them with confidence. How to Use - Vampire Teeth can use some denture adhesive paste to attach dentures. We use a box of solid adhesive and need to use hot water (80-100 degrees). The specific use steps and precautions are detailed in the product pictures and descriptions, please check carefully. HOW TO USE ELF EARS - Elf ears can be clipped directly over the ears of children or adults who want to cosplay at a Halloween party. If you want to run or exercise, maybe you can stick it with glue, such as eyelash glue. BEST SET AND SIZE - We have 3 pairs of elf ears and 3 pairs of vampire teeth. 2 pairs of long fungus for teens or adults and one pair of short fungus for children.