Arrow has included the theatrical version and the Director's Cut on separate discs to maximize the bit rates available to them, and they put both iterations through 4K restorations that have them looking as good as possible on Blu - ray. (flickeringmyth.com)
Remove and separate the discs from within the Robert and hand wash or add to the top row of your dishwasher for easy cleaning (modernnursery.com)
It was a series of separate disc - shaped modules made from an unbreakable polycarbonate called Lexan. (petbusiness.com)