One of the best birthday gifts to give your adult son, teenage son. Let him know how wonderful he is and thank him for being your son. This is a memorable card that will leave a lasting impression on your son, reminding him of your love for him and how special he is to you. Each card is made from the highest quality matte white 300gsm card. Best son birthday gift from mom and dad. The card measures 8" x 5.3" inches when folded and comes with a coordinating envelope. Blank Inside for your own message. Thank you for viewing this listing. Wishing you have a nice day with our cards, and having a beautiful memory!