This is a beautifully crafted birthday card to give to your son as an excellent birthday gift on this unforgettable occasion. The greeting card paper is very hard and will not easily break or deform. The card printing process is also very mature, and the patterns are clear and exquisite. Card Size (Folded) is 20.5cm x 13.5cm / 8" x 5.3", and comes with a matching envelope.when the recipient opened it,he/she will excited and feel happiness. There is still space inside the card for you to fully unleash your imagination, write down some words of blessing, or draw some unique patterns. Thank you for taking the time to read this listing,have a good day.I hope to bring you a pleasant shopping experience. A special card, as a gift, can be given to your friends, family, and loved ones, allowing them to feel your love. Seeing the card, they will show a sweet smile.