Flannel-lined sleeping bag, super comfy, barely used, great for casual camping out of your car. 33x75 inches (83x190 cm). 3 pounds (1.3 kg). The original product description says it works for down to 30 degrees Farenheit weather. If you buy it new, it's worth $40-$45:
http://www.coleman.com/green-valley-cool-weather-sleeping-bag/2000004448.html?cgid=coleman-sleepingbagsandbeds-sleepingbags#sz=24&start=26