Contract size is 60,000 pounds, about 27 metric tons.  Prices are per pound.  Contract months are January, March, May, July, August, September, October, and December.  Daily price limit is 2.5 cents per pound expandable to 3.5 cents per pound and then to 5.5 cents per pound when the market closes at limit bid or limit offer.  There shall be no price limits on the current month contract on or after the second business day preceding the first day of the delivery month.  Settlement is physical delivery.  Refer to the following link for full specifications:

http://www.cmegroup.com/trading/agricultural/grain-and-oilseed/soybean-oil_contract_specifications.html