They typically have coordinating lids or built-in card slots. Many are finished by adding filler or tissue and tying a ribbon to hold the lid in place.
Most decorative gift boxes are sold individually (package quantity 1), while small clear greeting-card/photo boxes are often offered in bulk packs of 50.
Clear PVC card boxes sized for A2 cards typically include a hinge opening for easy access and are described as durable, protecting photos and stationery from dust and damage.
Customer reviews commonly describe the boxes as sturdy and well-made; several summaries note durability and reuse over time for keeping gifts or keepsakes.