Two piece boxes are also known as tray and lid boxes. Custom two-piece set up boxes you can easily grab the attention of your clients by displaying your valuable products like perfumes and apparel gift items in these boxes during promotional events and trade shows. Two piece boxes also come with a special shoulder, called the neck, that is constructed to exact size, die cut and pasted with hands between the lower base and top lid for a tight seal turning into a precious yet protective keepsake for collector items.