Water-Resistant: 210T polyester taffeta outer shell is water-resistant, so it prevents water or moisture seeping through, keeping you dry and comfortable in rainy or damp weather Warm Lining: Polyester filling is sense, soft and insulated, trapping body heat to keep you warm and cozy all night long Practical Design: 2 soft pillows help you to sleep in a good position, and your head and neck won’t get strained. And there are 2-way zippers for snag-free zipping and a storage bag for portability Quilting Technology: This sleeping bag was made with S quilting technology to seam densely, keeping the filling distributed evenly and preventing them coming out