These are made with upcycled window screen and tea lights. you need old window or door screening, clear plastic bottle bottoms and tealight Cut the screen into the shape of a flower add your tea light or battery operated one.
Tutorial: DIY Tissue Paper Pom-Poms this tutorial is pretty good. Use square sheets or tissue for a rounder Pom Pom. Tie the middle with ribbon and tied several on ribbon and hung them for a backdrop. Use thin tissue paper and fluff gently.