Long sleeves, O-neck, and cuffs with thread detail Ribbed hem. Soft fabric texture This product contains 100 Cotton. This long sleeve pajama set is a perfect choice for a comfortable sleep. It's incredibly comfortable thanks to its cotton fabric structure. The cuffs with thread detail give an aesthetic look. Cotton is a natural fiber. It consists of pure cellulose. Cellulose is an organic substance that is synthesized in nature. It has low elasticity. Care instructions. Wash at max. 30C. Do not tumble dry. Do not use bleach.