Sleeve change one-piece dress. ▼ size ▼ 100 (2 to 5 years old) ▼ Material ▼ Organic cotton 100% cotton unlined (Sleeves: polyester) It's a smooth and smooth fabric. I wear it throughout the season ◎ Put it on the net and wash it at home. No dryer available. Due to the nature of the fabric, some wrinkles and shrinkage occur by washing.