The Guide Gear Fleece Lined Double Sleeping Bag is large enough for two people, very pleasant and comfortable, suitable for 3-season camping, and very affordable.
The North Face Dolomite One Duo Sleeping Bag is incredibly versatile with its separate layers and multiple temperature ratings, suitable for users who change elevations and climates.
The Coleman OneSource Rechargeable Heated Blanket comes with a battery included and you have 4 different heating settings.
The Coleman Autumn Trails 30 Degree Sleeping Bag is a 3-season pleasant cotton and flannel bag, very large, comfortable, and machine washable.
The Coleman Adjustable Comfort 30 Degree Sleeping Bag comes with a unique zipper system that allows for various ways of ventilation, plus an integrated sheet, and this all at a really great price.