Ladies size hijab underscarf Deluxe Hijab Cap is shaped like a tube with 2 open ends. The fabric is slightly stretchy, durable and comfortably soft poly/cotton blend. It helps scarves and shawls stay in place, keep hair from slipping out, and adds a lovely accent of color with the ever popular layered hijab styles. Muslim women can expand their hijab wardrobe by keeping a set of different colors on hand.