Research about Paper Booster Packs development

I’m developing a new card game here in Brazil, and I’m looking for ways to make paper booster pack packaging viable. Does anyone know any methods to create these kinds of packages?

This prototype I made using adhesive paper to make it easier to seal the pack, but I’m still exploring new alternatives. 😄 Any tips?

https://preview.redd.it/0cfykusyhobf1.jpg?width=2268&format=pjpg&auto=webp&s=4866c342f70dfaaf7542d059908c0b905f61c224