Bag Dormlite is made of durable cordura material. The inside is made of polyurethane laminate that does not contain harmful BPA. The advantages of the bag are low profile, ergonomic handle and wide throat. Size 2l (36.6 x 21.6 cm), 4l (46.5 x 25.4 cm), 6l (52.3 x 28.7 cm).