Product Manual:Name: Envelope Children's Sleeping BagFabric: polyester fabricWeight: 850gSize: (130+30)*65cmLocation: Outdoor camping,Hotel is dirty,School break at noonSuitable for children under 14 years old, School Break Noon, community camping, hiking.The three-dimensional collar prevents cold air from being poured in, which is very warm and gives the child a warm sleep.Comfortable and breathable fabric to protect your child's delicate skin.easy to deal with indoor and outdoor temperature changes, soft and comfortable, warm and breathable.