This super silky soft and eco-friendly Magnetic Modal Coverall, features time-saving magnetic fasteners and no over-the-head design. Perfect gift for new parents and a must-have staple for every baby's wardrobe, fun and flexible for rolling, crawling, and adventure. Modal is certified as a 100% Biobased fabric by the US Department of Agriculture, responsibly farmed from Beechnut trees. *NB & 0-3M sizes open from neck to upper thigh and have mitten cuffs. *3-6M sizes & up open from neck to crotch with a roomy seat for easy diaper changes. *9-12M sizes & up follow tight-fitting standards and are meant to be snug. Order one size up if your child is on the mid to high end of our size chart.