You need to order the perfume first and then add this to your order. 

Personalized An Núr Perfume Bottles – Limited Edition
We are offering a special service to have your An Núr Perfume bottle engraved with your name! Please note:
This is a limited-time service.
No refunds or exchanges are allowed under TikTok Shop guidelines.
Ensure you select the correct perfume before purchasing.
Double-check the spelling of your name in the notes section, as we will engrave exactly what you provide.