Size: This cute little flying sleeve onesie is suitable for baby girls aged 0-3 months, 3-6 months, 6-9 months, 9-12 months, 12-18 months and 18-24 months. A variety of colors can be chosen at will Material: This ruffle sleeveless shirt is made of high-quality pure cotton, which is soft and breathable, providing a comfortable wearing experience for babies. Design: This ruffle short-sleeved shirt features double-layer flying sleeves and a round neck design. The buttons on the back and hem are convenient for wearing and changing diapers. The fashionable ruffle sleeveless round neck is perfect for babies as an inner layer, or paired with pants and skirts to create a casual and comfortable outfit. Applicable occasions: Suitable for Christmas parties, birthday parties, parties, weddings, family gatherings, fashion shows, festivals, daily wear, and it is also a perfect gift for baby girls' birthdays. Whether it is daily leisure or party activities, it can add charm to babies and let them show their unique personality in various occasions. Package includes: 1 short-sleeved bubble shirt. (Washing method: hand wash or machine wash) Baby cotton jumpsuit, sleeveless ruffle design, suitable for different seasons of spring, summer, autumn and winter, suitable for girls from 0-24 months.