Thermaltake ships the Chaser A31 in the company's standard black box that features an image of the case.
The Chaser A31's bundle consists of mounting screws, two cable ties, a diagnostic speaker, and a 5.25″ to 3.5″ bay adapter with faceplate. It's nice to see a modern case being supplied with a diagnostic speaker; they're always helpful when troubleshooting.
Thermaltake has decided to place all of the screws in a single bag, rather than separate ones of a similar type. This is very frustrating and slows down the build procedure.
Make sure that you own a set of power supply screws as Thermaltake does not supply them with the Chaser A31.
A user manual and product warranty are also supplied.