Use your SleepSack for: Hotels,Sleepovers,Camping, Car, Airplane, Boats, Easy to change when sick. Amadora Travel Sheets are the ultimate in breathability and comfort! Amadora Travel Sheets are made of high quality microfiber that are woven to make a super soft texture. Travel Sheets made with microfibers are breathable, wrinkle-resistant, stain-resistant, impermeable, do not ball up and are durable. The term microfiber refers to any fiber with strands that are less than one denier in width. One denier is extremely fine, which is the reason that many people feel microfiber sheets offer the ultimate in comfort.