Feature: 1. Drum Set Style: When you open this 3D birthday card, a set of drums popping up to brighten up recipients day. 2. Envelope and Card: This popping up birthday card comes with a envelope and little card for you to write down your wishes. 3. Durable Paper: This kids birthday card is perfect in workmanship, premium and thick paper material adds extra durability. 4. Fine Details: This birthday 3D card features fine and exquisite details, representative of love, good fortune, new beginnings and revival. 5. Great Surprise: This 3D greeting card is flat when folded, and your friends and family will be greatly surprised the moment they unfold the cards. Specification: Item Type: 3D Birthday Card Material: Paper Birthday Card Size: Approx. 18.3 x 17.3cm / 7.2 x 6.8in ( Manual Measurement, Slight Error May Exist ) Small Card Size: Approx. 12 x 8cm / 4.7 x 3.1in ( Manual Measurement, Slight Error May Exist ) Envelope Size: Approx. 19.7 x 18.5cm / 7.8 x 7.3in ( Manual Measurement, Slight Error May Exist ). Package List: 1 x 3D Birthday Card1 x Small Card1 x Envelope