size: different sizes, 6 loose stickers color: blue / brown material: Foil Other: The wall stickers Fabric Friends KEK Amsterdam are made of a beautiful, high quality matt wall film. The wall stickers are very thin so you get virtually any height. All wall stickers KEK Amsterdam are water resistant and can be cleaned easily. They can be stuck on just about anything, as long as the surface but hard and flat. Think smooth plastered walls, doors and windows in your living room, bedroom or nursery.