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! Please refrain from using a dryer, as it will wrinkle the fabric. 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 restricted, providing a comfortable sleep. Not too thin and not too thick, it can be used in any season: spring, summer, and autumn. This is a must-have piece for pajamas and loungewear! Material 100% Cotton Size (160cm) Thank you for viewing.