How to send 2 Excel Files as attachments using UTL_MAIL package from PL/SQL Query outputs?

I am having 2 separate PL/SQL Query outputs. I want to send these results as 2 separate EXCEL file attachment in oracle using UTL_MAIL package in Oracle 19c using TOAD for Oracle Expert 14.1.120?

CREATE OR REPLACE PROCEDURE send_email_delete_me (

  in_sender    IN VARCHAR2,

  in_recipients  IN VARCHAR2,

  subject     IN VARCHAR2,

  attachments   IN VARCHAR2)

IS

  add_date  VARCHAR2 (50) := TO_CHAR (SYSDATE, 'DD/MM/YYYY');

  v_sub   VARCHAR2 (100) := subject;

  v_body   VARCHAR2 (2000)

    := 'Dear User,

Please find the attached vaccination feedback data. This is an auto system export for your report.

Best Regards,

IS Dept Vaccination Support

';

BEGIN

  UTL_MAIL.SEND_ATTACH_VARCHAR2 (