BadDawng Accessories 693-3718-10 Polaris Rzr 800S And 900Xp Accessories Rear Storage Box - 900Xp Only Custom made for 2011 &#38;2012 Models 2012 Models&#44; but will fit a 2013 just as well. This Storage Container is over 9 in. deep and nearly the entire size of the RZR bed. Great for keeping moisture and dirt off of the cargo inside It is easily installed