They’re typically made from premium-quality cardstock. Several listings note that the cards, envelopes, and packaging are made from recycled materials.
They fold flat for mailing and open into detailed 3D sculptures. Many include intricate laser-cut elements and are described as handcrafted.
Some descriptions list the cards at about 2 ounces and note they may require extra postage.
Some cards include a premium sealable envelope, others arrive wrapped in kraft paper, and many include a separate blank message tag for personalization.
Pop-up details are created using laser cutting and are often described as intricately laser-cut and handcrafted.
Many include a removable or separate blank message tag and are left blank inside so you can add a personal note.