This is single material layer, NOT outdoor sleep bag which has fill in. Yes, it can be used as inner layer of sleep bag to boost warm and protect sleep bag. ——— Mostly utilized in question environment, hotel or sleep over as guest. ——- We made by most thick, believe satin materiel, search amazon to check out client review to tell how our quality is. keyword: “octorose silky satin”
- Spacy plus size made from High Quality Silky Satin Material
- Huge Pillow pocket, long side zipper, overlay on top
- Carry bag, simple folding and organize
- Hand or Machine wash with cold water
- Why us: A. super strong, material, B. big size.