The Spectrum sleeping bag is perfect for the couple who wants to stay warm together. The rectangular double-sized bag can be zipped apart to form two individual bags for versatility. The chevron design looks great both as a double bag and as individual bags. The brushed polyester liner and 210T polyester ripstop fabric offers durability while the 20 temperature rating (with synthetic TechLoft Silver insulation and two-layer construction) ensures cozy nights. The two internal pockets keep small items handy and the compression stuff sack makes packing easy. The ALPS Mountaineering Spectrum is a camping essential for the outdoors couple. Product Features Unzips to form two individual bags Brushed polyester liner Two internal pockets keep small items handy #8 separating zippers Polyester ripstop outer fabric TechLoft Silver insulation Two-layer construction Compression stuff sack and webbing straps included Product Specifications Temperature Rating: 20 Fill Weight: 120 oz. Dimensions: 68" x 80" Total Weight: 12 lbs. 1 oz. Stuff Sack Size: 15.5" x 27"