KYOGOKU Bio Sleep Silk Nightcap [Precautions for Use] ● Do not use if you have any abnormalities in your eyes or skin. ● Keep out of reach of infants and young children. ● Store away from high temperatures, humidity, and direct sunlight. [Washing Instructions] ● Wash by hand using a neutral detergent. ● Do not use a dryer or bleach. ● Shape and dry in the shade. [Material] 100% Polyester [Size] Head circumference 50-56cm