The Cloud Island 4-Pack Modal Blend sleepers in blue and white are designed for 6-9-month-old babies. These long sleeve zip sleepers feature a geometric pattern with a crew neck and button accents. Made of a cozy modal blend knit fabric, these one-piece sleepers are machine washable and perfect for casual occasions during the winter, fall, and spring seasons. The modern blue and white design adds a stylish touch to your little one's wardrobe.