Equal Rights For Others Does Not Mean Less Rights For You. It's Not Pie Sticker These stickers are printed on durable, high opacity adhesive vinyl which makes them perfect for regular use, as well as for covering other stickers or paint. The high-quality vinyl ensures there are no bubbles when applying the stickers, and the stickers can be used both indoors and outdoors. High opacity film that’s impossible to see through Fast and easy bubble-free application Durable vinyl, perfect for indoor and outdoor use 95µ density Don't forget to clean the surface before applying the sticker.