240×220 cm blue colored 100% cotton 82 thread satin Marine King Size Duvet Cover Set. Due to the high moisture-absorbing feature of 100% natural cotton yarns, it does not cause sweating. Made in Turkey. It is OEKO-TEX and BSCI certified. It does not contain carcinogenic and allergenic metals. It does not irritate the skin and does not harm human health. Azoic dyes that pose a risk to our health are not used. It can be washed at 30 degrees, spun at a low speed, low heat tumble dried, ironed at a low heat setting, wash with similar colors, do not use bleach.