Happy Birthday Musical Greeting Card

Are you bored with the birthday cards you received in the past? Now we have a card that can play blessing music when opened. The cover of this card has balloons, ribbons, and gift boxes, which is full of happy birthday atmosphere. Open the inner page of the card is a bunch of balloons, underneath it says "IT'S YOUR BIRTHDAY", at the same time there will be a birthday blessing music played out!
With joyous music, all worries will disappear. On your friend’s birthday, send him a special card and an envelope full of blessings. I believe your friend will like the gift you prepared for him.
Each card comes with an envelope. You can write sweet messages and best regards. You can also write some blessings to your friends. up to you !
Paper: 200gsm~300gsm  uncoated or coated paper
Size: 148 x 210mm or customized
Printing: 4C or customized
MOQ: 500pcs 
Packaging: Each pc in a polybag with an envelope or customized