This bin is approximately 7 cu ft and comes oiled & w/reinforced top. Works for 3+ people or someone who just wants to compost everything. All bins 4' and longer will have a split top.

Outside dimensions 40"x 25"x 21"

Back rest is not available with the workbench as a combo. Neither backrest nor workbench are available without the slide out panels, veiwing windows and tea tray holders inlcuded. 

https://www.youtube.com/watch?v=HXUpj_maMM8