Coleman Hibernation 40-Degree Rectangular Queen Size Sleeping Bag (Black) Queen-size sleeping bag with 3rd-party temperature rating of 40 degrees F Coletherm insulation creates pockets of air to serve as an extra warmth barrier 100-percent cotton cover and cozy cotton flannel liner are soft to the touch ThermoLock function reduces heat loss through zipper coils; machine-washable Measures 75 x 66 inches to sleep 2 people comfortably; 5-year warranty