100% Bamboo Rayon. Bamboo is suited for those that sleep warm, as it is more absorbent than cotton and easily wicks away sweat. Often compared to silk, bamboo is incredibly soft and pliable, and a good option if you heat up or sweat easily. Our best seller bamboo sheets are sustainably harvested and uses less water to produce. Pillowcase features an envelope closure. MADE IN GREEN by OEKO-TEX Certified. Standard Queen Size: 50cm x 75cm Wash Care - Machine washable - Dryer friendly, with a low heat setting recommended - Gentle, liquid detergent recommended - Avoid fabric softeners