An angular frame, with in it a curved seat that seems to float. The Natal Alu is a lighter and slightly softer version of the Natal Light that was launched in 2001. Its has rounded corners on the armrests and is easier to move. Good news for green lovers : the Batyline seat of the earth-brown version is made from recycled Batyline®, which in turn can be recycled, as can the aluminium frame.