Sticker printing, round stickers, square stickers, transparent stickers1. Sticker Shapes Square: Gives a formal, tidy look, suitable for logos or text. Circular: More modern and eye catching, ideal for logos and small products. 2. Material Types Clear Stickers: Printed on transparent paper or vinyl. Excellent if you want the product's color or texture to show through. Gives an elegant appearance, especially on glass or plastic containers. White Colored Vinyl: The background is white or colored, depending on the design.