In a traditional quinceañera, the Bible may be presented to the celebrant during the Mass.
The presentation reflects the Catholic background of many quinceañera ceremonies. Families may give the celebrant religious items such as a Bible, rosary, or cross as part of the church service.
The Bible is not required at every modern quinceañera. Customs vary by family, country, denomination, and whether the celebration includes a Catholic Mass, another religious service, or no religious service at all.
The presentation is therefore best understood as a traditional element rather than a universal rule. The party itself can remain culturally meaningful even when families adapt or omit religious components.