How To Write A Bridal Shower Thank You Note . Thank you for participating in all the activities and making it a memorable occasion. I am so sorry you couldn’t make it to the shower, but i am so appreciative of your gift. Grey Turquoise Bridal Shower Thank You Cards Bouquet Bride from www.etsy.com Don’t forget to say thank you. With thoughtful details and words of gratitude, the letter is sure to be appreciated by all. Thank you to my bridesmaids for putting my shower together.