The Mustard 61 Thread Sevilla Mustard Queen Size Duvet Cover Set is made of 100% Cotton with a mustard yellow detailed pattern on a natural background. It has been specially washed for a soft touch and features a distinctive double needle stitching. It can be washed at 30 degrees, spun at a low speed, dried in a tumble dryer at low heat, and ironed at a low temperature. It is recommended to wash with similar colors and avoid using bleach. This product is 100% Turkish-made and is OEKO-TEX and BSCI certified, ensuring it does not contain carcinogenic or allergenic metals, does not irritate the skin, does not pose a health risk, and does not use azoic dyes that can be harmful to health.