Sirena is a Zak + Fox fabric: a looped épinglé weave patterned like the scales of a mermaid’s tail. Composition: 50% cotton, 32% wool, 18% polyester. It is 135 cm (53") wide and suited to heavy upholstery, with a Martindale rating of 21,000. It comes in 7 colourways, with a minimum order of 2 yards.