• Orientation: Some picture holders can hold photos in either portrait or landscape mode, while others are only designed for one orientation.
• Material: Picture holders can be made from a variety of materials, such as wood, metal, plastic, or acrylic.
• Design: Picture holders come in a wide variety of styles, from simple and modern to ornate and traditional.
• Features: Some picture holders have additional features, such as multiple slots for holding multiple photos, a hanging mechanism, or a built-in easel.