Shirt-pajamas Short sleeves Poplin Stripe Comfy waistband Soft and breathable fabric texture With its soft fabric, for those who want to be comfortable and look stylish at home, the pajama set contains 100 cotton. Cotton is a natural fiber Made of pure cellulose Cellulose is an organic substance created by synthesis in nature. It has low elasticity and good moisture. It absorbs the heat and keeps you cool by carrying it out of the body. Care Instructions Wash at a maximum of 30°C. Do not tumble dry. Do not use bleach.