Silverfish are wingless and have a flattened teardrop/carrot/fish-shaped body. There are three long, bristle-like or tail-like appendages on the rear end of their body. Adult body length, not including tails, about 1/2" - 3/4”.
Silverfish will infest and damage a variety of materials, ranging from clothing, books, papers, to even wallpaper. They are a nuisance that many people find repulsive.