You can find pre-made or customizable paper items for these reveals at retailers like Etsy :
: You can create a unique reveal by sandwiching a secret message or item between two thin layers of handmade paper pulp. When the paper is soaked in water, it disintegrates to reveal the "MILF" message or hidden gift inside. milf reveals
If you are making the reveal from scratch, you can use these popular paper-crafting methods: You can find pre-made or customizable paper items