Our best-selling cozie fleece booties feature our signature two-snap secure fit and an ultra soft fleece exterior with an organic cotton lining to wrap your baby's feet in comfort. The two adjustable snaps help the booties stay on while allowing them to shape well to the contours of your baby's foot. Designed for durability, these booties maintain their shape and feel after extended wash and wear. Details: 70% Cotton / 30% Poly; Machine washable; Imported; Size Chart Size Fit Foot Length 3M 0 to 3 Months up to 3.25" 6M 3 to 6 Months 3.75" 12M 6 to 12 Months 4.25" 18M 12 to 18 Months 4.5" 24M 18 to 24 Months 5".