[Name of the Recipient],
[Designation and Company Name]
[Company Address incase of formal letter],
[Home Address incase of informal letter],
Dear Recipient’s Name (It is advisable to refer with first name in case of personal and in case of professional address by surname in the salutation.)
I would like to thank you for the gorgeous present. I was planning to buy it only (mention the details of the present) and you gave me exactly what I wanted. Thank you again for bringing this amazing present. (Talk about its usefulness and that you are happy to receive it.)
I loved the gift and I will always keep it safe with me. Thank you once again for the wonderful gift.