100% Polyester Imported TEMPERATURE RATED: 40-degree F cold weather sleeping bag with hollow fiber insulation for optimal heat retention without excess weight VERSATILE DESIGN: Queen size double bag splits into two single bags for maximum flexibility, perfect for couple camping DURABLE MATERIALS: 100% polyester shell with brushed tricot liner provides warmth and comfort on cold nights EASY ACCESS: Features extra webbing along the zipper for smooth operation and includes a stuff sack for storage SPACIOUS FIT: Generous 87 x 59 inch size accommodates two adults, fits sleepers up to 6 feet 3 inches tall