YJSD-62 Features:Shell: 300T Polyester NylonLining: Polyester TaffetaFilling: Invista Hollofil 400g/mSize: 220 x 70cmPacked size: 22(diameter) x 41cmWeight: 1.48kgTemperature: Upper limits 15°C; Lower limits -5°C; Extreme limits -10°C 3-4 season;Soft lining provides extreme comfort;Made of high density, anti- velvet & anti- tear 300T Polyester Nylon;Square shaped base;Can be easily packed and stored in offers plenty of storage space for other camping equipments.Suggests: Wash by hands or machine wash on hand wash mode below 30°C.