• polyester
• Travel for hotels-- compact and portable: when not in use, this can be folded into a small size for storage in a backpack or suitcase,travel
• Backpack -- comfortable material: made of polyester material, this is comfortable and soft to sleep in, ensuring a good rest experience,outdoor
• for adult-- wide applicability: the is suitable for a variety of outdoor activities, including camping, hiking, and backpacking, as well as hotel stays,indoor
• Travel sleep sack-- breathable fabric: the breathable fabric of this hotel sleep sack allows that you stay comfortable and cool throughout the night,travelling essentials
• Backpacking -- lightweight and portable: compact and lightweight, this travel is easy to carry and use, making it suitable for travel, liners