Booklice are light tan. A number of them is often blackish also. Experts believe that that their color depends on what they eat. Pull-out sofa mattress - sofa with sleeping purpose and storage space, sofa bed for small rooms and living room, dark gray and white You won't see them, https://howtobuildahoglinfarmlike69345.theideasblog.com/31477103/step-by-step-beds-an-overview