Specification:Closure type :ZipperColour :Blue and OrangeFill-in material :CottonOuter material :PolyesterTemperature rating :-10 to 20Size:210 x 75 x 5 cmItem weight :1.1kg,1.3kg,1.6kg,2kg,2.4kgShape:Envelope1.3KG version: Comfort Temp. 5C to 15C,suitable for Spring/Autum.1.6KG version: Comfort Temp. -2C to 15C,suitable for Spring/Winter.Features:Water-resistant and Durable:The outer shell material is high-density 190T polyester, which is a kind of water-resistant and durable fabric, will keep you dry and won't scratched.Warm Hollow Cotton Filling:Our sleeping bag is filled with insulated hollow fibre, which is super warm, comfortable and breathable, brings you ultimate Warmth and Comfort.Convenient Inner Pocket:The convenient inner pocket is particularly useful for keeping your phone, money, wallet and other valuables secure when you camping in public places.Machine Washable:Our sleeping bag is Machine Washable, greatly saves your time and labour. We recommend using the gentle cycle and cold water. Please Do Not Iron and Bleach.Recommendations:1. The heavier version is thicker, the thicker sleeping bag is better for females.2. Use our sleeping bags together with an air pad for the better experience.