These cotton sleepers are designed for 18-24 months old babies and feature a fun polka dot and line pattern. The long sleeves, zip closure, and lightweight material make them perfect for the winter, fall, and spring seasons. The unisex design and multicolor accents add a playful touch to your little one's bedtime routine. With a 2-piece set including a cozy one-piece, these sleepers are easy to care for with machine washable instructions. The brand Jimonda ensures quality and comfort for your baby's sleepwear needs.