This is a handmade message card. When closed, it measures approximately 10.5cm (height) x 15cm (width). The "HAPPY BIRTHDAY" lettering can be used as needed. It can be easily attached with glue. For those who wish, envelopes can be added for an additional 30 yen. While I create these with care, they are handmade by an amateur, so please consider this before purchasing. Mailing is done via regular mail. If you have any concerns, please specify your preferred shipping method in the comments. #MessageCard #BirthdayCard #AnniversaryCard #BirthdayCard #CelebrationCard #WeddingMessageCard #CommentCard #ThankYouCard #ChristmasCard #HandmadeCard Thank you for looking.