Cotton/polyester. Black night colour 67% cotton / 20% polyester / 3% other fibers. Ecume and Pebble Grey colors 75% cotton / 22% polyester / 3% other fibers. Backpack made of recycled cotton and recycled polyester. This item can be used as a vanity case or a storage bag. The inside of the bag is reinforced with an iron-on adhesive.