Made of non-staining, super soft, durable, Minky fabric, with snap closure.These bags have an adjustable strap that can go over your shoulder, attach to a bag, be used to adjust or suspend your pillow somewhere… as well as hold the case rolled up compact.You can fill it with your sweater, rain gear, or whatever clothes you have with you... when you want it to turn into a pillow. Also great for:Sorting Items while Travelling, like socks, underwear……a sleepover bag that turns into a supplemental pillow or knee pillow when you’re sleeping away from home…a day bag (pack your towel, book, sunscreen, and head to the beach!) Lightweight and minimalist travel, camping, pillow._____Stuffable Pillow : Camping, Travel, Ergonomic Support. ~~Durable, Stain-proof Minky Fabric~~Stuff Sack: Fill with your Sweater, Rain Gear, Coat to Make Pillow for Bus & Train & Airplane Travel.