Made of Food-Grade Material, same as baby's biting gum, Super Soft, Non Toxic and Tasteless. | Can fold, knead, washed, and Our Elf Ears can be heated to change the bump shape. | Can change the color with makeup, like Liquid foundation, or other cosmetics. Suitable for any skin colors. | Clips on ears directly! Or if you want running or go exercise, maybe you can use glue(like eyelash glue) to sti