Al khayma is built by using manes and caprine skins. They are woven into strips with various lengths according to Al khayma surface. The thickness of a strip, called Fliga, can reach 50cm but does not exceed 60cm.
Strip weaving is carried out by Sahrawi women according to an ancient process transmitted from generation to generation and which includes: Itfer, Lghzil and Lbrim, Almaht, Tassdi, Inziz and finnaly Lkhiyat.