75% cotton/25% linen. The cotton is certified organic. The linen is made from dew-retted flax. Dew-retting is an environmentally-friendly, natural process that uses minimal water, no chemicals, and lets the sun and dew do the work. Every stage of the manufacturing chain is certified. Delicate wash at 40°. Iron on medium heat. 2-3% shrinkage. Made in Mumbai, India.