51% cotton/49% linen. The linen is dew-retted, a natural process in which the sun and dew handle the work without chemicals and with less water use. 48.5% of the cotton is certified organic. 2.5% of the cotton is certified recycled. Machine wash warm, delicate cycle. Stretch and gently reshape while damp. Dry flat. Store flat. Shrinkage 3-4%. Made in Dongguan, China.