Our magnetic footie, featuring our time-saving magnetic fasteners and no over-the-head design, gets baby dressed faster than Clark Kent turns into Superman! No longer dread night changings - simply open outfit, insert baby and the outfit practically dresses itself! Perfect gift for new parents and a must-have staple for every baby’s wardrobe. Pack a spare in the diaper bag for on-the-go changes. *NB & 3M sizes open from neck to upper thigh and have mitten cuffs. *6M-12M sizes 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.