Ecca Form designed the Underseat Organizer for Case Logic.  Released in 2003 at Target stores everywhere, it was a top selling item in retail stores and online for 4 years before being discontinued in 2007. 

The Underseat Organizer by Case Logic fits under the seat of most large vehicles or in trunk or cargo area.  Main compartment stores maps, blankets, first aid kit, gloves, etc.   Side zipper pocket for easy access to flashlight, small umbrellas or flares.  This item is currently discontinued.  See product reviews at: http://www.caselogic.com/underseat_organizer/product_detail/index.cfm?modelid=57185