Material Composition: 100% Cotton Made of 100% cotton, these pajamas are very gentle on the skin and extremely comfortable to wear. The thin, smooth fabric is perfect for spring to autumn! Since it wrinkles when put in the dryer, please refrain from using the dryer. Description SPEC - Specifications - Product Description 100% cotton is gentle on the skin ♪ Because it touches the skin directly, we made it with safe natural materials. The double-knit smooth fabric has a smooth and gentle feel on both the front and back. It has moderate elasticity, so you can turn over in your sleep without feeling constricted, providing a comfortable sleep. Not too thin and not too thick, you can use it in spring, summer, and autumn, any season. This is a must-have piece for pajamas and loungewear ♪ Material 100% Cotton Size (160cm) Thank you for viewing.