Woohoo Sticker Where can I find other woohoo designs? Expand or collapse section. In addition to woohoo designs, you can explore the marketplace for excitement, wooo, and awesome designs sold by independent artists. What material is this item made of? Expand or collapse section. Individually die cut vinyl sticker. Semi gloss finish. 3 x 4 inch max size includes a thin white border around the sticker. Not recommended for automobile use. Perfect for placing on your laptop, notebook or almost…