Dear Lexie and Mark,
Thank you for coming to our wedding! It truly would not have been the same without all of our family and friends there. We were so happy to receive [the gift], and we look forward to [options: using it for years to come, having it brighten our home for years to come, cherishing it as a beautiful wedding memento, make toast with it, etc].
WORDING FOR WHEN THEY GAVE YOU PHYSICAL GIFTS