A large sheet of double stick film. This is a favorite for mounting paper to signs, adding memorabelia to your journal, or turning just about anything into a sticker!
From the manufacturer:
This acid-free, adhesive backed, double sided adhesive film is heat- and tear-resistant, transparent and won t yellow over time. It bonds instantly to many surfaces including paper, fabric, wood, metal, plastic and glass. Double Tack lets you create stickers and multi-layered effects quick and easy, out of almost any craft material with no messy clean up. Great for stationery, paper crafts, creating collages, punch art and home decorating. Use to mount photos and artwork, and for a multitude of school and office projects.