No glue stickers is best used on smooth surfaces such as glass, PVC, and other highly similar elements or materials. Most important and very specific to the type of labels is that they do not require adhesives to stick to the substrate. They can be just as fast to apply and download. There used to their mounting any special fluids or other means. This is done completely dry. Labels are made of any shape and any color. After removing the sticker there is no trace on the surface. Among other things, for this reason, these stickers are a good solution for private homes and shops.
Available are also stickers that hold a little tighter than non-adhesive labels but also very easy to remove them.