A letter of appreciation / thank you email/ note to a friend for a lovely gift with different wordings for how the gift is valuable to you.
Thank you very much for the [beautiful / generous] [gift] you sent.
[We were so excited unwrapping it yesterday. The [gift] is lovely and exactly the type I would have selected myself.] / [We have actually been looking for [gift] for a while and it is just what we wanted!] / [We find your [gift] very [useful / user-friendly] and we have been using it everyday.]