Our designs are made of a high quality vinyl designed to be removable without any glue or residue. Don't be fooled by the less expensive outdoor vinyl that is a made with a permanent adhesive! Ones that say "outdoor" vinyl are a permanent adhesive and will most likely leave damage to your walls when you want to remove them. Our peel and stick material that is durable, washable, repositionable and totally removable. These can be repositioned multiple times without losing adhesive strength, and they leave NO sticky residue on the surface after removal. These are not just for walls. They can also be applied to furniture and smooth ceilings, and can be used for a variety of craft or party decorating projects. This set includes over 60 dots, with larger dots than most of the sets out there. Size ranges from 7.5" to .5" in diameter.