A large, open-top waste container designed to be transported by a special roll off truck. These dumpsters are typically rectangular and come in various sizes, ranging from 10 to 40 cubic yards. Roll off dumpsters are used for temporary waste disposal in construction, renovation, and large cleanup projects.
http://www.wikidata.org/entity/Q7360866, https://en.wikipedia.org/wiki/Roll-off_(dumpster), https://www.google.com/search?kgmid=/m/080f5zq&hl=en