For sure you have seen packaging boxes in the market that have a tray glued at their base that protrudes on top of the base of the box. Such boxes are regarded as printed shoulder boxes. They have been given the name shoulder due to the top edge of the box. The neck of the box is the tray that has been glued on the top side of the box. These boxes are usually made from high-quality cardboard material. In some printed shoulder boxes, you would find that the tray has been glued to the lid of the box instead of the base. However, this doesn’t make any difference and the mechanism of the box remains the same. Nowadays the majority of the brands are using these boxes for the delivery of their products. So, as of late these brands have enjoyed a lot of popularity. So, to understand the reason behind their acceptance an in-depth study has been presented here. 1. Incredible protection For the delivery of fragile products like jewelry, it is necessary to choose a strong packaging material.