Prvi_rozden_den_na_aleina_gr_ruse_kasa_mariya_2021 -

: While not a formal technical term in the search results, "solid paper" in the context of Bulgarian event planning often refers to high-density cardstock or specialized thick paper used for custom photo backdrops , invitations , or decorative banners typically seen at first birthday parties ("прощъпалник" or "рожден ден").

The information for "Aleina's First Birthday" refers to a celebratory event held in at the Casa Maria restaurant in Ruse, Bulgaria . Casa Maria - Event Center - Ruse BGN 100+Restaurant Ruse, Bulgaria Directions prvi_rozden_den_na_aleina_gr_ruse_kasa_mariya_2021

Сватбена агенция Адора (@Adora.Event.Decoration) • Facebook : While not a formal technical term in

: The floral and event arrangements for this specific birthday were handled by Adora Event Decoration , who described the theme as having a sense of "purity and airiness". Key details regarding the celebration and the related

Key details regarding the celebration and the related "solid paper" mention:

: The first birthday for Aleina was captured in a YouTube video titled "First birthday of Aleina, Ruse /Casa Maria 2021/".