How to Apply Vinyl Stickers: 8 Steps (with Pictures) - wikiHow Press out any air bubbles with a squeegee or credit card. Grab a flat, bendy item and press it in an even line along the surface of the sticker. Move your squeegee, credit card, or the other tool consistently, applying an even amount of pressure as you go from edge to edge. Focus on areas that have air bubbles, so the sticker looks smooth. [8]