Feature: 1. 3D Design: This happy birthday card features 3D popping up design, so your friends and family will be greatly surprised the moment they unfold the cards. 2. Rich Elements: This 3D birthday card is designed with playground elements, each part is full of details, exquisite and interesting 3D graphics. 3. Thick Paper: This popping up birthday card is made of premium and thick paper material, which is durable and fadeless. 4. Envelope and Card: This birthday 3D card comes with a envelope and little card for you to write down your wishes and benediction. 5. Laser Engraving: This 3D greeting card adopts laser, express the glee of a birthday, with a delicate and fun graphic design. Specification: Item Type: 3D Birthday Cards Material: Paper 3D Card Size: Approx. 20 x 15cm / 7.9 x 5.9in ( Manual Measurement, Slight Error May Exist ) Little Card Size: Approx. 11 x 7cm / 4.3 x 2.8in ( Manual Measurement, Slight Error May Exist ) Envelope Size: Approx. 21 x 16cm / 8.3 x 6.3in ( Manual Measurement, Slight Error May Exist ). Package List: 1 x 3D Birthday Cards1 x Little Card1 x Envelope