The stickers of our store are printed on Vinyl film (PVC), are waterproof and weatherproof, applicable to any type of rigid support.The type of ink is solvent. In our shop, you will find thousands of stickers that are divided mainly into two categories: shaped and pre-spaced stickers. The shaped stickers generally have a contour of a couple of millimeters. THE GLUE IS NOT ON THE SIDE OF THE GRAPHIC, and it's not applicable for the interior (for example, from the inside of a car window). The pre-spaced stickers are cut on colored film and not have a shape or background. The sticker is composed of more pieces and it is sticked to a particular film that helps you to apply it. If you want stick it inside a car window, please let us know via private message or sales details after purchase (available colors for the interior: white, black, red, blue). If not prompted, the sticker will be shipped as we can see in the listing (with the glue on the back, so for outdoor applications). THE SIZE REFERS TO THE LONGEST SIZE OF THE STICKER. If you want a size not present in the variants, you can buy it choosing the base price ( 1.85) for the stickers lower than 10cm (only for the shaped stickers), or choosing for example the variant 16cm for a sticker of 15cm. You will communicate via mail or via payment details.