High Quality Envelope: with a delicate laser cut to an interesting design that hints at the contents of the card. Classic deluxe envelope, sealable for easy mailing. Sincere handwritten wishes: The card has a lot of blank spaces for you to express your birthday wishes and greetings. Let them feel your blessings. Handwritten wishes come true, especially when paired with this beautiful greeting card. Right Size: Product Dimensions: 5.9 x 5.9 inches. Your surprise will get when the entire card is rolled out. Throw away those boring cards that do nothing and play no music now. Show your loved ones how much you care about their special day when you give them our 3d birthday cards! Great for mom and for daughter! They’ll smile and laugh when they open the card and see the beautiful 3D design and light display while hearing the music. It’s a musical light up masterpiece! Product details: Technique: 3D design and play music. Material: High hardness paper. What you get: 3D Music Lights Birthday Cake Card x 1 Pop Up Birthday Cards, 3D Color Changing Warm Light Music Happy Birthday Cake Greeting Card, Birthday Card Gift for Her Women Mom Wife Sister Girl Friends Birthday Cards 3D Color Changing Warm Light Music