Petite Seahorse Cosysuit If it's snug and soft you're after, keep your newest cub cosy in our Cozysuit for newborn babies. Snuggly newborn Cozysuit with cuff mittens and feet. Side poppers for easy changing Bonds Sizing  0X5    Tiny Baby 0X4    Newborn 000    0-3 Months 00     3-6 Months 0      6-12 Months 1      12-18 Months 2      18-24 Months 3       2-3 Years