GigaTent Mongoose Kids Sleeping Bag Bundle and save. Get more and spend less when you buy these items together ! The sleeping bag is made of 100% polyester with soft polyester taffeta inner liner. 100% polyester fill is comfortable down to 50 degrees Fahrenheit. Dimensions: 27"W x 55"D. Will fit most kids up to 5'0 tall. The sleeping bag fully opens into a comforter and is also fully reversible. Stuff sack included. Hand wash in cold water.