If you want to have a stronger adhesion on the inflatable arch, you can apply an appropriate amount of glue to the engraved words, dry them and then paste them. You can stick the words on the inflatable arch with stickers, and the words can be engraved directly on the arch.

Self-adhesive, also known as self-adhesive label material, is a composite material with paper, film or other special materials as fabric, adhesive coated on the back and silicon-coated protective paper as backing paper.