Assorted Hearts Mirror Decals Arrives in a 40cm x 60cm sheet. Assembled size varies by how you arrange parts-customize to your liking! Transform a room in minutes with these easy to use peel and stick PVC wall decals! Can be used on smooth walls, furniture, glass, laptops..any smooth surface! They are removable and won't damage walls! For best use, clean (without soap or other cleaning agents) and dry surface thoroughly before placement. Dry with a non-fibrous cloth prior to installation.