The present teachings are direct at tray, components in a tray, methods for assembling trays, and articles, such as boxes that include a tray. The covers and/or tray inserts include one or more features that result in one or more of the following benefits: improved performance during or after assembly of a tray, improved ease of assembling a tray, or improved appearance of a tray, or any combination thereof. The features can be used alone. However, a number of the features, when combined, result in particularly robust assembly processes.