This is 2.3 version of SiSL’s Mega Pack for American Truck Simulator.
It only works on select modded trucks who that has slots enabled like Aradeth’s Volvo VNL. Make sure to subscribe in Steam Workshop ( http://steamcommunity.com/sharedfiles/filedetails/?id=652225351 ) for constant updates.
This mod contains over 400+ cabin accessory items suitable for your taste, bringing female and male co-drivers, bobbleheads, accessories for truck driver needs, snacks, electronic devices, computers and tablets, lots of scarves, fresheners, toys and many many more…
Also contains some items that you can easily customize for your own preference like Picture frame, your own mug, your country flag that you can download from official Facebook page Download tab. Detailed info about customization is also on Facebook page.